#define brick_diag_width 12
#define brick_diag_height 12
static char brick_diag_bits[] = {
   0xbe, 0x0f, 0x5d, 0x07, 0xeb, 0x0a, 0xf7, 0x0d, 0xfb, 0x0e, 0x7d, 0x0f,
   0xbe, 0x0f, 0x5d, 0x07, 0xeb, 0x0a, 0xf7, 0x0d, 0xfb, 0x0e, 0x7d, 0x0f};