C11112331312111112111133133313331333132323213331313331311211322333131   >>    C1111233131211111211113313331333133313232321333131333131121132233313   <<    C11112331312111112111133133313331333132323213331313331311211322333133   >>      C11112331312111112111133133313331333132323213331313331311211322333132   >>