C312312111133131212111133133313331333133312133313231333132213232233133311   >>    C31231211113313121211113313331333133313331213331323133313221323223313331   <<    C312312111133131212111133133313331333133312133313231333132213232233133313   >>      C312312111133131212111133133313331333133312133313231333132213232233133312   >>