#define ladder_width 16
#define ladder_height 16
static unsigned char ladder_bits[] = {
   0x03, 0xc0, 0x03, 0xc0, 0xff, 0xff, 0xab, 0xea, 0x03, 0xc0, 0x03, 0xc0,
   0xff, 0xff, 0xab, 0xea, 0x03, 0xc0, 0x03, 0xc0, 0xff, 0xff, 0xab, 0xea,
   0x03, 0xc0, 0x03, 0xc0, 0xff, 0xff, 0xab, 0xea};
