#define earth_width 9
#define earth_height 9
static unsigned char earth_bits[] = {
   0x38, 0x00, 0x44, 0x00, 0xb2, 0x00, 0x65, 0x01, 0x65, 0x01, 0x01, 0x01,
   0x9a, 0x00, 0x44, 0x00, 0x38, 0x00 };