C111123313121111121111331333133313331333133313331333133313331322221212311   >>    C11112331312111112111133133313331333133313331333133313331333132222121231   <<    C111123313121111121111331333133313331333133313331333133313331322221212313   >>      C111123313121111121111331333133313331333133313331333133313331322221212312   >>