C13112133313331323321333133313331333133313331333133313331312111133112133311   >>    C1311213331333132332133313331333133313331333133313331333131211113311213331   <<    C13112133313331323321333133313331333133313331333133313331312111133112133313   >>      C13112133313331323321333133313331333133313331333133313331312111133112133312   >>