#define print_width 15
#define print_height 15
static unsigned char print_bits[] = {
   0xf0, 0x7f, 0x10, 0x40, 0x10, 0x40, 0xc8, 0x23, 0x08, 0x20, 0x68, 0x23,
   0x04, 0x10, 0x34, 0x10, 0x04, 0x10, 0xff, 0x7f, 0x55, 0x55, 0xab, 0x6a,
   0x55, 0x55, 0xab, 0x6a, 0xfe, 0x3f};