C31232233133313221211113313331333133313113311331333133313121111123213123231   >>    C3123223313331322121111331333133313331311331133133313331312111112321312323   <<    C31232233133313221211113313331333133313113311331333133313121111123213123233   >>      C31232233133313221211113313331333133313113311331333133313121111123213123232   >>