C11112331312111112111133133313331333132323213331333133313132131122112331   >>    C1111233131211111211113313331333133313232321333133313331313213112211233   <<    C11112331312111112111133133313331333132323213331333133313132131122112333   >>      C11112331312111112111133133313331333132323213331333133313132131122112332   >>