C111123313121111121111331333133313331333133313331333133313331311322333131   >>    C11112331312111112111133133313331333133313331333133313331333131132233313   <<    C111123313121111121111331333133313331333133313331333133313331311322333133   >>      C111123313121111121111331333133313331333133313331333133313331311322333132   >>