C31232233133313221211113313331333133313331212111112111113332313232222231   >>    C3123223313331322121111331333133313331333121211111211111333231323222223   <<    C31232233133313221211113313331333133313331212111112111113332313232222233   >>      C31232233133313221211113313331333133313331212111112111113332313232222232   >>