C31232233133313221211113313331311331333133313331311331333131122231   >>    C3123223313331322121111331333131133133313331333131133133313112223   <<    C31232233133313221211113313331311331333133313331311331333131122233   >>      C31232233133313221211113313331311331333133313331311331333131122232   >>