C31232233133313221211113313331311331333133313331311331312112331   >>    C3123223313331322121111331333131133133313331333131133131211233   <<    C31232233133313221211113313331311331333133313331311331312112333   >>      C31232233133313221211113313331311331333133313331311331312112332   >>