C31232233133313221211113313331333133313331212111112111133113232311   >>    C3123223313331322121111331333133313331333121211111211113311323231   <<    C31232233133313221211113313331333133313331212111112111133113232313   >>      C31232233133313221211113313331333133313331212111112111133113232312   >>