C111123313121111121111331333133313331333133313331333133313331312323222231   >>    C11112331312111112111133133313331333133313331333133313331333131232322223   <<    C111123313121111121111331333133313331333133313331333133313331312323222233   >>      C111123313121111121111331333133313331333133313331333133313331312323222232   >>