C11112331312111112111133133313331333133313331333133313331323123232331   >>    C1111233131211111211113313331333133313331333133313331333132312323233   <<    C11112331312111112111133133313331333133313331333133313331323123232333   >>      C11112331312111112111133133313331333133313331333133313331323123232332   >>