C31232233133313221211113313331333133313331212111133131133131221111   >>    C3123223313331322121111331333133313331333121211113313113313122111   <<    C31232233133313221211113313331333133313331212111133131133131221113   >>      C31232233133313221211113313331333133313331212111133131133131221112   >>