#define full_width 16
#define full_height 16
static char full_bits[] = {
   0x55, 0x55, 0xaa, 0xab, 0x55, 0x55, 0xaa, 0xab, 0x55, 0x55, 0xaa, 0xab,
   0x55, 0x55, 0xaa, 0xab, 0x55, 0x55, 0xaa, 0xab, 0x55, 0x55, 0xaa, 0xab,
   0x55, 0x55, 0xaa, 0xab, 0x55, 0x55, 0xff, 0xff};