#define backward_width 9
#define backward_height 9
static unsigned char backward_bits[] = {
   0x00, 0x00, 0x90, 0x00, 0xd8, 0x00, 0xfc, 0x00, 0xfc, 0x00, 0xfc, 0x00,
   0xd8, 0x00, 0x90, 0x00, 0x00, 0x00 };