C31232233133313221211113313331311331333133112111133131333223331   >>    C3123223313331322121111331333131133133313311211113313133322333   <<    C31232233133313221211113313331311331333133112111133131333223333   >>      C31232233133313221211113313331311331333133112111133131333223332   >>