C111123313121111121111331333133313331333131233133313331312111133133313133223311   >>    C11112331312111112111133133313331333133313123313331333131211113313331313322331   <<    C111123313121111121111331333133313331333131233133313331312111133133313133223313   >>      C111123313121111121111331333133313331333131233133313331312111133133313133223312   >>