C31232233133313221211113313331333133313331212111112111133111123311   >>    C3123223313331322121111331333133313331333121211111211113311112331   <<    C31232233133313221211113313331333133313331212111112111133111123313   >>      C31232233133313221211113313331333133313331212111112111133111123312   >>