C31232233133313221211113313331333133313331212111133131211111133132222231   >>    C3123223313331322121111331333133313331333121211113313121111113313222223   <<    C31232233133313221211113313331333133313331212111133131211111133132222233   >>      C31232233133313221211113313331333133313331212111133131211111133132222232   >>