#define ck_on_width 13
#define ck_on_height 13
static unsigned char ck_on_bits[] = {
   0xff, 0x1f, 0x01, 0x10, 0x01, 0x10, 0x01, 0x14, 0x01, 0x16, 0x01, 0x17,
   0x89, 0x13, 0xdd, 0x11, 0xf9, 0x10, 0x71, 0x10, 0x21, 0x10, 0x01, 0x10,
   0xff, 0x1f};