C312312111133131212111133133313331333133312133313331333121111133313331322311331   >>    C31231211113313121211113313331333133313331213331333133312111113331333132231133   <<    C312312111133131212111133133313331333133312133313331333121111133313331322311333   >>      C312312111133131212111133133313331333133312133313331333121111133313331322311332   >>