C111123313121111121111331333133313331322121111331333131113233311   >>    C11112331312111112111133133313331333132212111133133313111323331   <<    C111123313121111121111331333133313331322121111331333131113233313   >>      C111123313121111121111331333133313331322121111331333131113233312   >>