C13112133313331323321333133313331333133313331313331333131321132311   >>    C1311213331333132332133313331333133313331333131333133313132113231   <<    C13112133313331323321333133313331333133313331313331333131321132313   >>      C13112133313331323321333133313331333133313331313331333131321132312   >>