C111123313121111121111331333133313331323231333133313232331233311   >>    C11112331312111112111133133313331333132323133313331323233123331   <<    C111123313121111121111331333133313331323231333133313232331233313   >>      C111123313121111121111331333133313331323231333133313232331233312   >>