adding artwork for triangle game

145 files changed, 3259 insertions, 18 deletions

diff --git a/gentiles.py b/gentiles.py
index 0cc31bd..43864ef 100755
--- a/gentiles.py
+++ b/gentiles.py
@@ -13,7 +13,7 @@
 # Boston, MA 02111-1307, USA.
 
 import os
-from constants import C, H, RT, LT
+from constants import C, H, RT
 
 XCOR = ["-188.17646", "11.823541"]
 YCOR = ["162.71119", "362.71119"]
@@ -108,33 +108,48 @@ def _svg_hex(top, left, right):
     return a + b + c + d + e + f + g + h + i + j + k + l + m + n + o + p + q +\
         r + s + t + u
 
-def _svg_triangle(top, bottom, left, flip=False):
+def _svg_triangle(top, bottom, left, rotate=None):
     a = '<?xml version="1.0" encoding="UTF-8" standalone="no"?>\n'
     b = '<!-- Created with Python in Emacs -->\n'
     c = '<svg\n'
     d = '   xmlns:svg="http://www.w3.org/2000/svg"\n'
     e = '   xmlns="http://www.w3.org/2000/svg"\n'
     f = '   version="1.1"\n'
-    g = '   id="triange">\n'
-    if flip:
-        h = '  <g     transform="matrix(-1,0,0,1,838.68554,-456.19895)">\n'
+    g = '   width="103.6" height="117.8">\n'
+    if rotate == 60:
+        rr1 = '<g\n     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">\n'
+        rr2 = '</g>'
+    elif rotate == 120:
+        rr1 = '<g\n     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">\n'
+        rr2 = '</g>'
+    elif rotate == 240:
+        rr1 = '<g\n     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">\n'
+        rr2 = '</g>'
+    elif rotate == 300:
+        rr1 = '<g\n     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">\n'
+        rr2 = '</g>'
     else:
-        h = '  <g     transform="translate(-735.12125,-456.19895)">\n'
-    i = '    <g      transform="translate(129.81785,111.40982)">\n'
+        rr1 = ''
+        rr2 = ''
+    if rotate == 180:
+        h = '  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">\n'
+    else:
+        h = '  <g     transform="translate(-735.1,-456.2)">\n'
+    i = '    <g      transform="translate(129.8,111.4)">\n'
     j = '      <path\n'
-    k = '         d="m 607.82135,460.38159 98.22306,-54.95995 -65.57024,-0.92468 -32.65282,55.88463 z"\n'
+    k = '         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"\n'
     l = '         style="fill:' + bottom + ';fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />\n'
     m = '      <path\n'
-    n = '         d="m 607.3034,460.58514 0,-113.47935 33.29261,56.63592 -33.29261,56.84343 z"\n'
-    o = '         style="fill:' + left + ';fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />'
+    n = '         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"\n'
+    o = '         style="fill:' + left + ';fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />\n'
     p = '      <path\n'
-    q = '         d="m 706.86769,405.18383 -98.70613,-58.3947 32.3358,57.2359 66.37033,1.1588 z"\n'
+    q = '         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"\n'
     r = '         style="fill:' + top + ';fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />\n'
     s = '    </g>\n'
     t = '</g>\n'
     u = '</svg>\n'
-    return a + b + c + d + e + f + g + h + i + j + k + l + m + n + o + p + q +\
-        r + s + t + u
+    return a + b + c + d + e + f + g + rr1 + h + i + j + k + l + m + n + o + \
+        p + q + r + s + t + rr2 + u
 
 def open_file(datapath, filename):
     """ Create a file for writing """
@@ -160,13 +175,23 @@ def generator(datapath):
         f.close()
 
     for i, c in enumerate(RT):
-        f = open_file(datapath, "triangle-r-%d.svg" % (i))
+        f = open_file(datapath, "triangle-r0-%d.svg" % (i))
         f.write(_svg_triangle(c[0], c[1], c[2]))
         f.close()
-
-    for i, c in enumerate(LT):
-        f = open_file(datapath, "triangle-l-%d.svg" % (i))
-        f.write(_svg_triangle(c[0], c[1], c[2], flip=True))
+        f = open_file(datapath, "triangle-r60-%d.svg" % (i))
+        f.write(_svg_triangle(c[0], c[1], c[2], rotate=60))
+        f.close()
+        f = open_file(datapath, "triangle-r120-%d.svg" % (i))
+        f.write(_svg_triangle(c[0], c[1], c[2], rotate=120))
+        f.close()
+        f = open_file(datapath, "triangle-r180-%d.svg" % (i))
+        f.write(_svg_triangle(c[0], c[1], c[2], rotate=180))
+        f.close()
+        f = open_file(datapath, "triangle-r240-%d.svg" % (i))
+        f.write(_svg_triangle(c[0], c[1], c[2], rotate=240))
+        f.close()
+        f = open_file(datapath, "triangle-r300-%d.svg" % (i))
+        f.write(_svg_triangle(c[0], c[1], c[2], rotate=300))
         f.close()
 
 def main():
diff --git a/images/triangle-r0-0.svg b/images/triangle-r0-0.svg
new file mode 100644
index 0000000..fe932fd
--- /dev/null
+++ b/images/triangle-r0-0.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-1.svg b/images/triangle-r0-1.svg
new file mode 100644
index 0000000..cef3eb0
--- /dev/null
+++ b/images/triangle-r0-1.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-10.svg b/images/triangle-r0-10.svg
new file mode 100644
index 0000000..72a31e4
--- /dev/null
+++ b/images/triangle-r0-10.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-11.svg b/images/triangle-r0-11.svg
new file mode 100644
index 0000000..2476e1b
--- /dev/null
+++ b/images/triangle-r0-11.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-12.svg b/images/triangle-r0-12.svg
new file mode 100644
index 0000000..45e14cd
--- /dev/null
+++ b/images/triangle-r0-12.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-13.svg b/images/triangle-r0-13.svg
new file mode 100644
index 0000000..0a15d88
--- /dev/null
+++ b/images/triangle-r0-13.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-14.svg b/images/triangle-r0-14.svg
new file mode 100644
index 0000000..5cf782e
--- /dev/null
+++ b/images/triangle-r0-14.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-15.svg b/images/triangle-r0-15.svg
new file mode 100644
index 0000000..f84876b
--- /dev/null
+++ b/images/triangle-r0-15.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-16.svg b/images/triangle-r0-16.svg
new file mode 100644
index 0000000..f74e4fe
--- /dev/null
+++ b/images/triangle-r0-16.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-17.svg b/images/triangle-r0-17.svg
new file mode 100644
index 0000000..a895d4a
--- /dev/null
+++ b/images/triangle-r0-17.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-18.svg b/images/triangle-r0-18.svg
new file mode 100644
index 0000000..3adf560
--- /dev/null
+++ b/images/triangle-r0-18.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-19.svg b/images/triangle-r0-19.svg
new file mode 100644
index 0000000..ea295db
--- /dev/null
+++ b/images/triangle-r0-19.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-2.svg b/images/triangle-r0-2.svg
new file mode 100644
index 0000000..a28dd42
--- /dev/null
+++ b/images/triangle-r0-2.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-20.svg b/images/triangle-r0-20.svg
new file mode 100644
index 0000000..b0ed46e
--- /dev/null
+++ b/images/triangle-r0-20.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-21.svg b/images/triangle-r0-21.svg
new file mode 100644
index 0000000..11cafc8
--- /dev/null
+++ b/images/triangle-r0-21.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-22.svg b/images/triangle-r0-22.svg
new file mode 100644
index 0000000..55546ef
--- /dev/null
+++ b/images/triangle-r0-22.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-23.svg b/images/triangle-r0-23.svg
new file mode 100644
index 0000000..e0cf3a0
--- /dev/null
+++ b/images/triangle-r0-23.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-3.svg b/images/triangle-r0-3.svg
new file mode 100644
index 0000000..0b85089
--- /dev/null
+++ b/images/triangle-r0-3.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-4.svg b/images/triangle-r0-4.svg
new file mode 100644
index 0000000..5ccf043
--- /dev/null
+++ b/images/triangle-r0-4.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-5.svg b/images/triangle-r0-5.svg
new file mode 100644
index 0000000..bd6427e
--- /dev/null
+++ b/images/triangle-r0-5.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-6.svg b/images/triangle-r0-6.svg
new file mode 100644
index 0000000..d86ce82
--- /dev/null
+++ b/images/triangle-r0-6.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-7.svg b/images/triangle-r0-7.svg
new file mode 100644
index 0000000..6984824
--- /dev/null
+++ b/images/triangle-r0-7.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-8.svg b/images/triangle-r0-8.svg
new file mode 100644
index 0000000..9c30df4
--- /dev/null
+++ b/images/triangle-r0-8.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r0-9.svg b/images/triangle-r0-9.svg
new file mode 100644
index 0000000..a81efca
--- /dev/null
+++ b/images/triangle-r0-9.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r120-0.svg b/images/triangle-r120-0.svg
new file mode 100644
index 0000000..e5d51a8
--- /dev/null
+++ b/images/triangle-r120-0.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
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+</g></svg>
diff --git a/images/triangle-r120-1.svg b/images/triangle-r120-1.svg
new file mode 100644
index 0000000..07d3713
--- /dev/null
+++ b/images/triangle-r120-1.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-10.svg b/images/triangle-r120-10.svg
new file mode 100644
index 0000000..09efac4
--- /dev/null
+++ b/images/triangle-r120-10.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-11.svg b/images/triangle-r120-11.svg
new file mode 100644
index 0000000..3e0f632
--- /dev/null
+++ b/images/triangle-r120-11.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-12.svg b/images/triangle-r120-12.svg
new file mode 100644
index 0000000..37bb30f
--- /dev/null
+++ b/images/triangle-r120-12.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-13.svg b/images/triangle-r120-13.svg
new file mode 100644
index 0000000..9a23db7
--- /dev/null
+++ b/images/triangle-r120-13.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-14.svg b/images/triangle-r120-14.svg
new file mode 100644
index 0000000..c9df2e9
--- /dev/null
+++ b/images/triangle-r120-14.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-15.svg b/images/triangle-r120-15.svg
new file mode 100644
index 0000000..2c5f5de
--- /dev/null
+++ b/images/triangle-r120-15.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-16.svg b/images/triangle-r120-16.svg
new file mode 100644
index 0000000..8257317
--- /dev/null
+++ b/images/triangle-r120-16.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-17.svg b/images/triangle-r120-17.svg
new file mode 100644
index 0000000..d3dbf68
--- /dev/null
+++ b/images/triangle-r120-17.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-18.svg b/images/triangle-r120-18.svg
new file mode 100644
index 0000000..a9b1316
--- /dev/null
+++ b/images/triangle-r120-18.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-19.svg b/images/triangle-r120-19.svg
new file mode 100644
index 0000000..771e195
--- /dev/null
+++ b/images/triangle-r120-19.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-2.svg b/images/triangle-r120-2.svg
new file mode 100644
index 0000000..335ad58
--- /dev/null
+++ b/images/triangle-r120-2.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-20.svg b/images/triangle-r120-20.svg
new file mode 100644
index 0000000..44fad07
--- /dev/null
+++ b/images/triangle-r120-20.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-21.svg b/images/triangle-r120-21.svg
new file mode 100644
index 0000000..582e5eb
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-22.svg b/images/triangle-r120-22.svg
new file mode 100644
index 0000000..63d8922
--- /dev/null
+++ b/images/triangle-r120-22.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-23.svg b/images/triangle-r120-23.svg
new file mode 100644
index 0000000..42b08ba
--- /dev/null
+++ b/images/triangle-r120-23.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-3.svg b/images/triangle-r120-3.svg
new file mode 100644
index 0000000..41d1a2f
--- /dev/null
+++ b/images/triangle-r120-3.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-4.svg b/images/triangle-r120-4.svg
new file mode 100644
index 0000000..d3308d1
--- /dev/null
+++ b/images/triangle-r120-4.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-5.svg b/images/triangle-r120-5.svg
new file mode 100644
index 0000000..fee0784
--- /dev/null
+++ b/images/triangle-r120-5.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-6.svg b/images/triangle-r120-6.svg
new file mode 100644
index 0000000..a8c4359
--- /dev/null
+++ b/images/triangle-r120-6.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-7.svg b/images/triangle-r120-7.svg
new file mode 100644
index 0000000..a2a8c4a
--- /dev/null
+++ b/images/triangle-r120-7.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-8.svg b/images/triangle-r120-8.svg
new file mode 100644
index 0000000..e492708
--- /dev/null
+++ b/images/triangle-r120-8.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r120-9.svg b/images/triangle-r120-9.svg
new file mode 100644
index 0000000..42b4950
--- /dev/null
+++ b/images/triangle-r120-9.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,0.87,-0.87,-0.5,105.1,58.0)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r180-0.svg b/images/triangle-r180-0.svg
new file mode 100644
index 0000000..434e958
--- /dev/null
+++ b/images/triangle-r180-0.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-1.svg b/images/triangle-r180-1.svg
new file mode 100644
index 0000000..e28d0d6
--- /dev/null
+++ b/images/triangle-r180-1.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-10.svg b/images/triangle-r180-10.svg
new file mode 100644
index 0000000..e0b1c9e
--- /dev/null
+++ b/images/triangle-r180-10.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-11.svg b/images/triangle-r180-11.svg
new file mode 100644
index 0000000..7691b1d
--- /dev/null
+++ b/images/triangle-r180-11.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
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diff --git a/images/triangle-r180-12.svg b/images/triangle-r180-12.svg
new file mode 100644
index 0000000..919de2e
--- /dev/null
+++ b/images/triangle-r180-12.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-13.svg b/images/triangle-r180-13.svg
new file mode 100644
index 0000000..cf226e2
--- /dev/null
+++ b/images/triangle-r180-13.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-14.svg b/images/triangle-r180-14.svg
new file mode 100644
index 0000000..74a380b
--- /dev/null
+++ b/images/triangle-r180-14.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-15.svg b/images/triangle-r180-15.svg
new file mode 100644
index 0000000..6ae4b18
--- /dev/null
+++ b/images/triangle-r180-15.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-16.svg b/images/triangle-r180-16.svg
new file mode 100644
index 0000000..d2aa413
--- /dev/null
+++ b/images/triangle-r180-16.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-17.svg b/images/triangle-r180-17.svg
new file mode 100644
index 0000000..d8d44de
--- /dev/null
+++ b/images/triangle-r180-17.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-18.svg b/images/triangle-r180-18.svg
new file mode 100644
index 0000000..3498f6c
--- /dev/null
+++ b/images/triangle-r180-18.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-19.svg b/images/triangle-r180-19.svg
new file mode 100644
index 0000000..1e998a4
--- /dev/null
+++ b/images/triangle-r180-19.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-2.svg b/images/triangle-r180-2.svg
new file mode 100644
index 0000000..054a149
--- /dev/null
+++ b/images/triangle-r180-2.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-20.svg b/images/triangle-r180-20.svg
new file mode 100644
index 0000000..81e3f67
--- /dev/null
+++ b/images/triangle-r180-20.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-21.svg b/images/triangle-r180-21.svg
new file mode 100644
index 0000000..62ab426
--- /dev/null
+++ b/images/triangle-r180-21.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-22.svg b/images/triangle-r180-22.svg
new file mode 100644
index 0000000..519704a
--- /dev/null
+++ b/images/triangle-r180-22.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-23.svg b/images/triangle-r180-23.svg
new file mode 100644
index 0000000..76764b4
--- /dev/null
+++ b/images/triangle-r180-23.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-3.svg b/images/triangle-r180-3.svg
new file mode 100644
index 0000000..f5c3165
--- /dev/null
+++ b/images/triangle-r180-3.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
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diff --git a/images/triangle-r180-4.svg b/images/triangle-r180-4.svg
new file mode 100644
index 0000000..35af0d5
--- /dev/null
+++ b/images/triangle-r180-4.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-5.svg b/images/triangle-r180-5.svg
new file mode 100644
index 0000000..fcf14e5
--- /dev/null
+++ b/images/triangle-r180-5.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-6.svg b/images/triangle-r180-6.svg
new file mode 100644
index 0000000..2914948
--- /dev/null
+++ b/images/triangle-r180-6.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-7.svg b/images/triangle-r180-7.svg
new file mode 100644
index 0000000..d6c28ad
--- /dev/null
+++ b/images/triangle-r180-7.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-8.svg b/images/triangle-r180-8.svg
new file mode 100644
index 0000000..0d639d9
--- /dev/null
+++ b/images/triangle-r180-8.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r180-9.svg b/images/triangle-r180-9.svg
new file mode 100644
index 0000000..931b089
--- /dev/null
+++ b/images/triangle-r180-9.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+  <g     transform="matrix(-1,0,0,-1,838.7,574.0)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</svg>
diff --git a/images/triangle-r240-0.svg b/images/triangle-r240-0.svg
new file mode 100644
index 0000000..d86a350
--- /dev/null
+++ b/images/triangle-r240-0.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-1.svg b/images/triangle-r240-1.svg
new file mode 100644
index 0000000..fab01e1
--- /dev/null
+++ b/images/triangle-r240-1.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-10.svg b/images/triangle-r240-10.svg
new file mode 100644
index 0000000..aabad57
--- /dev/null
+++ b/images/triangle-r240-10.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-11.svg b/images/triangle-r240-11.svg
new file mode 100644
index 0000000..32dd360
--- /dev/null
+++ b/images/triangle-r240-11.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-12.svg b/images/triangle-r240-12.svg
new file mode 100644
index 0000000..1b7a1d2
--- /dev/null
+++ b/images/triangle-r240-12.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-13.svg b/images/triangle-r240-13.svg
new file mode 100644
index 0000000..3236afd
--- /dev/null
+++ b/images/triangle-r240-13.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-14.svg b/images/triangle-r240-14.svg
new file mode 100644
index 0000000..e32a82a
--- /dev/null
+++ b/images/triangle-r240-14.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-15.svg b/images/triangle-r240-15.svg
new file mode 100644
index 0000000..020b9d4
--- /dev/null
+++ b/images/triangle-r240-15.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
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diff --git a/images/triangle-r240-16.svg b/images/triangle-r240-16.svg
new file mode 100644
index 0000000..a4208c0
--- /dev/null
+++ b/images/triangle-r240-16.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
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+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
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+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
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+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-17.svg b/images/triangle-r240-17.svg
new file mode 100644
index 0000000..3858faa
--- /dev/null
+++ b/images/triangle-r240-17.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
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+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
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+    </g>
+</g>
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diff --git a/images/triangle-r240-18.svg b/images/triangle-r240-18.svg
new file mode 100644
index 0000000..c11819e
--- /dev/null
+++ b/images/triangle-r240-18.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
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+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
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diff --git a/images/triangle-r240-19.svg b/images/triangle-r240-19.svg
new file mode 100644
index 0000000..35211c4
--- /dev/null
+++ b/images/triangle-r240-19.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
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+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
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+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-2.svg b/images/triangle-r240-2.svg
new file mode 100644
index 0000000..f58652d
--- /dev/null
+++ b/images/triangle-r240-2.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
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+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-20.svg b/images/triangle-r240-20.svg
new file mode 100644
index 0000000..942313d
--- /dev/null
+++ b/images/triangle-r240-20.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
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+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-21.svg b/images/triangle-r240-21.svg
new file mode 100644
index 0000000..c0b655f
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+++ b/images/triangle-r240-21.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-22.svg b/images/triangle-r240-22.svg
new file mode 100644
index 0000000..a6ef18b
--- /dev/null
+++ b/images/triangle-r240-22.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-23.svg b/images/triangle-r240-23.svg
new file mode 100644
index 0000000..e2da032
--- /dev/null
+++ b/images/triangle-r240-23.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-3.svg b/images/triangle-r240-3.svg
new file mode 100644
index 0000000..fb04c36
--- /dev/null
+++ b/images/triangle-r240-3.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-4.svg b/images/triangle-r240-4.svg
new file mode 100644
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+++ b/images/triangle-r240-4.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
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+</g>
+</g></svg>
diff --git a/images/triangle-r240-5.svg b/images/triangle-r240-5.svg
new file mode 100644
index 0000000..808e793
--- /dev/null
+++ b/images/triangle-r240-5.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
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+</g>
+</g></svg>
diff --git a/images/triangle-r240-6.svg b/images/triangle-r240-6.svg
new file mode 100644
index 0000000..2943107
--- /dev/null
+++ b/images/triangle-r240-6.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
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+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
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+      <path
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diff --git a/images/triangle-r240-7.svg b/images/triangle-r240-7.svg
new file mode 100644
index 0000000..89b2f67
--- /dev/null
+++ b/images/triangle-r240-7.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
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+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
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+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
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+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-8.svg b/images/triangle-r240-8.svg
new file mode 100644
index 0000000..04e33ec
--- /dev/null
+++ b/images/triangle-r240-8.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r240-9.svg b/images/triangle-r240-9.svg
new file mode 100644
index 0000000..8713102
--- /dev/null
+++ b/images/triangle-r240-9.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(-0.5,-0.87,0.87,-0.5,1.7,118.7)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-0.svg b/images/triangle-r300-0.svg
new file mode 100644
index 0000000..f6e6140
--- /dev/null
+++ b/images/triangle-r300-0.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-1.svg b/images/triangle-r300-1.svg
new file mode 100644
index 0000000..b90e98d
--- /dev/null
+++ b/images/triangle-r300-1.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-10.svg b/images/triangle-r300-10.svg
new file mode 100644
index 0000000..5ffbe5e
--- /dev/null
+++ b/images/triangle-r300-10.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-11.svg b/images/triangle-r300-11.svg
new file mode 100644
index 0000000..5411c80
--- /dev/null
+++ b/images/triangle-r300-11.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-12.svg b/images/triangle-r300-12.svg
new file mode 100644
index 0000000..3e0adbc
--- /dev/null
+++ b/images/triangle-r300-12.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-13.svg b/images/triangle-r300-13.svg
new file mode 100644
index 0000000..f24015b
--- /dev/null
+++ b/images/triangle-r300-13.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-14.svg b/images/triangle-r300-14.svg
new file mode 100644
index 0000000..ff4d5fb
--- /dev/null
+++ b/images/triangle-r300-14.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-15.svg b/images/triangle-r300-15.svg
new file mode 100644
index 0000000..8b9e092
--- /dev/null
+++ b/images/triangle-r300-15.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-16.svg b/images/triangle-r300-16.svg
new file mode 100644
index 0000000..a8a7d80
--- /dev/null
+++ b/images/triangle-r300-16.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-17.svg b/images/triangle-r300-17.svg
new file mode 100644
index 0000000..12b0098
--- /dev/null
+++ b/images/triangle-r300-17.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-18.svg b/images/triangle-r300-18.svg
new file mode 100644
index 0000000..f3f9ef2
--- /dev/null
+++ b/images/triangle-r300-18.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
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+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
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+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
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diff --git a/images/triangle-r300-19.svg b/images/triangle-r300-19.svg
new file mode 100644
index 0000000..bfaa52e
--- /dev/null
+++ b/images/triangle-r300-19.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-2.svg b/images/triangle-r300-2.svg
new file mode 100644
index 0000000..38e627d
--- /dev/null
+++ b/images/triangle-r300-2.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-20.svg b/images/triangle-r300-20.svg
new file mode 100644
index 0000000..55d10b8
--- /dev/null
+++ b/images/triangle-r300-20.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-21.svg b/images/triangle-r300-21.svg
new file mode 100644
index 0000000..73963a4
--- /dev/null
+++ b/images/triangle-r300-21.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-22.svg b/images/triangle-r300-22.svg
new file mode 100644
index 0000000..98ba56e
--- /dev/null
+++ b/images/triangle-r300-22.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-23.svg b/images/triangle-r300-23.svg
new file mode 100644
index 0000000..d056fe7
--- /dev/null
+++ b/images/triangle-r300-23.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-3.svg b/images/triangle-r300-3.svg
new file mode 100644
index 0000000..96b0683
--- /dev/null
+++ b/images/triangle-r300-3.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-4.svg b/images/triangle-r300-4.svg
new file mode 100644
index 0000000..89f52ab
--- /dev/null
+++ b/images/triangle-r300-4.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-5.svg b/images/triangle-r300-5.svg
new file mode 100644
index 0000000..9a8aab5
--- /dev/null
+++ b/images/triangle-r300-5.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-6.svg b/images/triangle-r300-6.svg
new file mode 100644
index 0000000..68d1b56
--- /dev/null
+++ b/images/triangle-r300-6.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-7.svg b/images/triangle-r300-7.svg
new file mode 100644
index 0000000..0e9fe68
--- /dev/null
+++ b/images/triangle-r300-7.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-8.svg b/images/triangle-r300-8.svg
new file mode 100644
index 0000000..3556d31
--- /dev/null
+++ b/images/triangle-r300-8.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r300-9.svg b/images/triangle-r300-9.svg
new file mode 100644
index 0000000..2421417
--- /dev/null
+++ b/images/triangle-r300-9.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,-0.87,0.87,0.5,-1.0,59.6)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
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+</g></svg>
diff --git a/images/triangle-r60-0.svg b/images/triangle-r60-0.svg
new file mode 100644
index 0000000..9fd5bfd
--- /dev/null
+++ b/images/triangle-r60-0.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-1.svg b/images/triangle-r60-1.svg
new file mode 100644
index 0000000..07d0a5e
--- /dev/null
+++ b/images/triangle-r60-1.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-10.svg b/images/triangle-r60-10.svg
new file mode 100644
index 0000000..ec93c69
--- /dev/null
+++ b/images/triangle-r60-10.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-11.svg b/images/triangle-r60-11.svg
new file mode 100644
index 0000000..9179fbb
--- /dev/null
+++ b/images/triangle-r60-11.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-12.svg b/images/triangle-r60-12.svg
new file mode 100644
index 0000000..43e30d1
--- /dev/null
+++ b/images/triangle-r60-12.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-13.svg b/images/triangle-r60-13.svg
new file mode 100644
index 0000000..8dab4be
--- /dev/null
+++ b/images/triangle-r60-13.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-14.svg b/images/triangle-r60-14.svg
new file mode 100644
index 0000000..bcd65ef
--- /dev/null
+++ b/images/triangle-r60-14.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-15.svg b/images/triangle-r60-15.svg
new file mode 100644
index 0000000..b9fd76e
--- /dev/null
+++ b/images/triangle-r60-15.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-16.svg b/images/triangle-r60-16.svg
new file mode 100644
index 0000000..261e9c8
--- /dev/null
+++ b/images/triangle-r60-16.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-17.svg b/images/triangle-r60-17.svg
new file mode 100644
index 0000000..83f82da
--- /dev/null
+++ b/images/triangle-r60-17.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-18.svg b/images/triangle-r60-18.svg
new file mode 100644
index 0000000..4f83f8e
--- /dev/null
+++ b/images/triangle-r60-18.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-19.svg b/images/triangle-r60-19.svg
new file mode 100644
index 0000000..c36ca2a
--- /dev/null
+++ b/images/triangle-r60-19.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-2.svg b/images/triangle-r60-2.svg
new file mode 100644
index 0000000..db701a4
--- /dev/null
+++ b/images/triangle-r60-2.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-20.svg b/images/triangle-r60-20.svg
new file mode 100644
index 0000000..620cf41
--- /dev/null
+++ b/images/triangle-r60-20.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-21.svg b/images/triangle-r60-21.svg
new file mode 100644
index 0000000..da03b1e
--- /dev/null
+++ b/images/triangle-r60-21.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-22.svg b/images/triangle-r60-22.svg
new file mode 100644
index 0000000..cf6e943
--- /dev/null
+++ b/images/triangle-r60-22.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-23.svg b/images/triangle-r60-23.svg
new file mode 100644
index 0000000..6ab7924
--- /dev/null
+++ b/images/triangle-r60-23.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-3.svg b/images/triangle-r60-3.svg
new file mode 100644
index 0000000..5bf217a
--- /dev/null
+++ b/images/triangle-r60-3.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-4.svg b/images/triangle-r60-4.svg
new file mode 100644
index 0000000..94ff794
--- /dev/null
+++ b/images/triangle-r60-4.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-5.svg b/images/triangle-r60-5.svg
new file mode 100644
index 0000000..158a766
--- /dev/null
+++ b/images/triangle-r60-5.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-6.svg b/images/triangle-r60-6.svg
new file mode 100644
index 0000000..8a87a91
--- /dev/null
+++ b/images/triangle-r60-6.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-7.svg b/images/triangle-r60-7.svg
new file mode 100644
index 0000000..30815d6
--- /dev/null
+++ b/images/triangle-r60-7.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#0000ff;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-8.svg b/images/triangle-r60-8.svg
new file mode 100644
index 0000000..4c64abc
--- /dev/null
+++ b/images/triangle-r60-8.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>
diff --git a/images/triangle-r60-9.svg b/images/triangle-r60-9.svg
new file mode 100644
index 0000000..4278f4e
--- /dev/null
+++ b/images/triangle-r60-9.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Python in Emacs -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="103.6" height="117.8">
+<g
+     transform="matrix(0.5,0.87,-0.87,0.5,101.3,-2.4)">
+  <g     transform="translate(-735.1,-456.2)">
+    <g      transform="translate(129.8,111.4)">
+      <path
+         d="m 607.8,460.4 98.2,-55.0 -65.6,-0.9 -32.7,55.9 z"
+         style="fill:#00ff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 607.3,460.6 0,-113.5 33.3,56.7 -33.3,56.8 z"
+         style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <path
+         d="m 706.9,405.2 -98.7,-58.4 32.3,57.2 66.4,1.2 z"
+         style="fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+    </g>
+</g>
+</g></svg>