C31232233133313221211113313331333133313113311331333133323222331   >>    C3123223313331322121111331333133313331311331133133313332322233   <<    C31232233133313221211113313331333133313113311331333133323222333   >>      C31232233133313221211113313331333133313113311331333133323222332   >>