C31232233133313221211113313331333133313331212111133131211111222231   >>    C3123223313331322121111331333133313331333121211113313121111122223   <<    C31232233133313221211113313331333133313331212111133131211111222233   >>      C31232233133313221211113313331333133313331212111133131211111222232   >>