C31232233133313221211113313331333133313113311331333133313331331121111333211211   >>    C3123223313331322121111331333133313331311331133133313331333133112111133321121   <<    C31232233133313221211113313331333133313113311331333133313331331121111333211213   >>      C31232233133313221211113313331333133313113311331333133313331331121111333211212   >>