C13112133313331323321333133313331333133313331333133313223113313122311   >>    C1311213331333132332133313331333133313331333133313331322311331312231   <<    C13112133313331323321333133313331333133313331333133313223113313122313   >>      C13112133313331323321333133313331333133313331333133313223113313122312   >>