C31232233133313221211113313331311331333133313331323131121121111   >>    C3123223313331322121111331333131133133313331333132313112112111   <<    C31232233133313221211113313331311331333133313331323131121121113   >>      C31232233133313221211113313331311331333133313331323131121121112   >>