C111123313121111121111331333133313331333133313331333131123323311   >>    C11112331312111112111133133313331333133313331333133313112332331   <<    C111123313121111121111331333133313331333133313331333131123323313   >>      C111123313121111121111331333133313331333133313331333131123323312   >>