C111123313121111121111331333133313331333131322113121111332321331123122311   >>    C11112331312111112111133133313331333133313132211312111133232133112312231   <<    C111123313121111121111331333133313331333131322113121111332321331123122313   >>      C111123313121111121111331333133313331333131322113121111332321331123122312   >>