C13112133313331323321333133313331333133313331311331323133313331312322321   >>    C1311213331333132332133313331333133313331333131133132313331333131232232   <<    C13112133313331323321333133313331333133313331311331323133313331312322323   >>      C13112133313331323321333133313331333133313331311331323133313331312322322   >>