C31232233133313221211113313331311331333133313311221311331311331   >>    C3123223313331322121111331333131133133313331331122131133131133   <<    C31232233133313221211113313331311331333133313311221311331311333   >>      C31232233133313221211113313331311331333133313311221311331311332   >>