C312312111133131212111133133313331333133312133313331333123323231   >>    C31231211113313121211113313331333133313331213331333133312332323   <<    C312312111133131212111133133313331333133312133313331333123323233   >>      C312312111133131212111133133313331333133312133313331333123323232   >>