C3123121111331312121111331333133313331333121333133313331322332322311   >>    C312312111133131212111133133313331333133312133313331333132233232231   <<    C3123121111331312121111331333133313331333121333133313331322332322313   >>      C3123121111331312121111331333133313331333121333133313331322332322312   >>