#define diamond_width 16
#define diamond_height 16
static char diamond_bits[] = {
   0xff, 0xff, 0x7f, 0xfe, 0x3f, 0xfd, 0x5f, 0xfb, 0x6f, 0xf7, 0xf7, 0xee,
   0xfb, 0xde, 0xfd, 0xbe, 0xe1, 0x86, 0x1b, 0xd8, 0xf7, 0xee, 0xef, 0xf6,
   0xdf, 0xfa, 0x3f, 0xfc, 0x7f, 0xfe, 0xff, 0xff};