C31232233133313221211113313331333133313331212111133131333133311211323321331   >>    C3123223313331322121111331333133313331333121211113313133313331121132332133   <<    C31232233133313221211113313331333133313331212111133131333133311211323321333   >>      C31232233133313221211113313331333133313331212111133131333133311211323321332   >>