C31232233133313221211113313331333133313113311331333133313331331123231111   >>    C3123223313331322121111331333133313331311331133133313331333133112323111   <<    C31232233133313221211113313331333133313113311331333133313331331123231113   >>      C31232233133313221211113313331333133313113311331333133313331331123231112   >>