C31232233133313221211113313331333133313113311331333133313331331121111121322131   >>    C3123223313331322121111331333133313331311331133133313331333133112111112132213   <<    C31232233133313221211113313331333133313113311331333133313331331121111121322133   >>      C31232233133313221211113313331333133313113311331333133313331331121111121322132   >>