C13112133313331323321333133313331333133313331333133313331333133311312122321   >>    C1311213331333132332133313331333133313331333133313331333133313331131212232   <<    C13112133313331323321333133313331333133313331333133313331333133311312122323   >>      C13112133313331323321333133313331333133313331333133313331333133311312122322   >>