C31232233133313221211113313331333132313331322121111121111122332313131   >>    C3123223313331322121111331333133313231333132212111112111112233231313   <<    C31232233133313221211113313331333132313331322121111121111122332313133   >>      C31232233133313221211113313331333132313331322121111121111122332313132   >>