C31231211111133131211113313331333133112111133231333133313223331323231   >>    C3123121111113313121111331333133313311211113323133313331322333132323   <<    C31231211111133131211113313331333133112111133231333133313223331323233   >>      C31231211111133131211113313331333133112111133231333133313223331323232   >>