C111123313121111121111331333133313331323231333133313331333131133223323311   >>    C11112331312111112111133133313331333132323133313331333133313113322332331   <<    C111123313121111121111331333133313331323231333133313331333131133223323313   >>      C111123313121111121111331333133313331323231333133313331333131133223323312   >>