C31232233133313221211113313331333133313113311331333132313133313331333211211   >>    C3123223313331322121111331333133313331311331133133313231313331333133321121   <<    C31232233133313221211113313331333133313113311331333132313133313331333211213   >>      C31232233133313221211113313331333133313113311331333132313133313331333211212   >>