C11112331312111112111133133313331333133313123313331333113313232331   >>    C1111233131211111211113313331333133313331312331333133311331323233   <<    C11112331312111112111133133313331333133313123313331333113313232333   >>      C11112331312111112111133133313331333133313123313331333113313232332   >>