C13112133313331323321333133313331333133313331313331333133322122321333321   >>    C1311213331333132332133313331333133313331333131333133313332212232133332   <<    C13112133313331323321333133313331333133313331313331333133322122321333323   >>      C13112133313331323321333133313331333133313331313331333133322122321333322   >>