#define max_width 9
#define max_height 9
static unsigned char max_bits[] = {
   0xff, 0x01, 0xff, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
   0x01, 0x01, 0x01, 0x01, 0xff, 0x01 };