C11112331312111112111133133313331333132323213331333133311211331322331   >>    C1111233131211111211113313331333133313232321333133313331121133132233   <<    C11112331312111112111133133313331333132323213331333133311211331322333   >>      C11112331312111112111133133313331333132323213331333133311211331322332   >>