C111123313121111121111331333133313331323232133313133313223313112233311   >>    C11112331312111112111133133313331333132323213331313331322331311223331   <<    C111123313121111121111331333133313331323232133313133313223313112233313   >>      C111123313121111121111331333133313331323232133313133313223313112233312   >>