#define ck_off_width 13
#define ck_off_height 13
static unsigned char ck_off_bits[] = {
   0xff, 0x1f, 0x01, 0x10, 0x01, 0x10, 0x01, 0x10, 0x01, 0x10, 0x01, 0x10,
   0x01, 0x10, 0x01, 0x10, 0x01, 0x10, 0x01, 0x10, 0x01, 0x10, 0x01, 0x10,
   0xff, 0x1f};