C13112133313331323321333133313331333133313331333133313331312322321231323131   >>    C1311213331333132332133313331333133313331333133313331333131232232123132313   <<    C13112133313331323321333133313331333133313331333133313331312322321231323133   >>      C13112133313331323321333133313331333133313331333133313331312322321231323132   >>