C13112133313331323321333133313331333133313331311331323133313131122311   >>    C1311213331333132332133313331333133313331333131133132313331313112231   <<    C13112133313331323321333133313331333133313331311331323133313131122313   >>      C13112133313331323321333133313331333133313331311331323133313131122312   >>