C31231211111133131211113313331333133112111133232133313221212111   >>    C3123121111113313121111331333133313311211113323213331322121211   <<    C31231211111133131211113313331333133112111133232133313221212113   >>      C31231211111133131211113313331333133112111133232133313221212112   >>