C3123121111331312121111331333133313331333121333133313331322321113332211   >>    C312312111133131212111133133313331333133312133313331333132232111333221   <<    C3123121111331312121111331333133313331333121333133313331322321113332213   >>      C3123121111331312121111331333133313331333121333133313331322321113332212   >>