C31232233133313221211113313331333133313331212111133131331232311   >>    C3123223313331322121111331333133313331333121211113313133123231   <<    C31232233133313221211113313331333133313331212111133131331232313   >>      C31232233133313221211113313331333133313331212111133131331232312   >>