# Pascal's triangle
lines = 9

vector = [1]

for i in range(1,lines+1):
  vector.insert(0,0)
  vector.append(0)

for i in range(0,lines):
  newvector = vector[:]
  for j in range(0,len(vector)-1):
    if (newvector[j] == 0):
      print "  ",
    else:
      print "%2d" % newvector[j],
    newvector[j] = vector[j-1] + vector[j+1]
  print
  vector = newvector[:]