C31232233133313221211113313331333133313113311331333133313331312312112331   >>    C3123223313331322121111331333133313331311331133133313331333131231211233   <<    C31232233133313221211113313331333133313113311331333133313331312312112333   >>      C31232233133313221211113313331333133313113311331333133313331312312112332   >>