C31231211111133131211113313331333133112111133133313331322333122331   >>    C3123121111113313121111331333133313311211113313331333132233312233   <<    C31231211111133131211113313331333133112111133133313331322333122333   >>      C31231211111133131211113313331333133112111133133313331322333122332   >>