C312312111133131212111133133313331333133312133313231333132221212331   >>    C31231211113313121211113313331333133313331213331323133313222121233   <<    C312312111133131212111133133313331333133312133313231333132221212333   >>      C312312111133131212111133133313331333133312133313231333132221212332   >>