#define max_width 10
#define max_height 10
static unsigned char max_bits[] = {
   0xff, 0x03, 0xff, 0x03, 0x00, 0x00, 0xff, 0x03, 0xff, 0x03, 0x03, 0x03,
   0x03, 0x03, 0x03, 0x03, 0xff, 0x03, 0xff, 0x03 };