C13112133313331323321333133313331333133313331311331333121111132322333131121   >>    C1311213331333132332133313331333133313331333131133133312111113232233313112   <<    C13112133313331323321333133313331333133313331311331333121111132322333131123   >>      C13112133313331323321333133313331333133313331311331333121111132322333131122   >>