C312312111133131212111133133313331333133312133313113313331311331333132323311311   >>    C31231211113313121211113313331333133313331213331311331333131133133313232331131   <<    C312312111133131212111133133313331333133312133313113313331311331333132323311313   >>      C312312111133131212111133133313331333133312133313113313331311331333132323311312   >>