C31232233133313221211113313331333133313331212111133131211113322112311   >>    C3123223313331322121111331333133313331333121211113313121111332211231   <<    C31232233133313221211113313331333133313331212111133131211113322112313   >>      C31232233133313221211113313331333133313331212111133131211113322112312   >>