C31232233133313221211113313331333133313113311331333133313331331121111121331231   >>    C3123223313331322121111331333133313331311331133133313331333133112111112133123   <<    C31232233133313221211113313331333133313113311331333133313331331121111121331233   >>      C31232233133313221211113313331333133313113311331333133313331331121111121331232   >>