C111123313121111121111331333133313331333133313331333133313331323231121231   >>    C11112331312111112111133133313331333133313331333133313331333132323112123   <<    C111123313121111121111331333133313331333133313331333133313331323231121233   >>      C111123313121111121111331333133313331333133313331333133313331323231121232   >>