C31232233133313221211113313331333133313331212111112111133113311111   >>    C3123223313331322121111331333133313331333121211111211113311331111   <<    C31232233133313221211113313331333133313331212111112111133113311113   >>      C31232233133313221211113313331333133313331212111112111133113311112   >>