C31232233133313221211113313331333133313331212111133132213332222231   >>    C3123223313331322121111331333133313331333121211113313221333222223   <<    C31232233133313221211113313331333133313331212111133132213332222233   >>      C31232233133313221211113313331333133313331212111133132213332222232   >>