C3123121111331312121111331333133313331333121333133313331313232112311   >>    C312312111133131212111133133313331333133312133313331333131323211231   <<    C3123121111331312121111331333133313331333121333133313331313232112313   >>      C3123121111331312121111331333133313331333121333133313331313232112312   >>