C13112133313331323321333133313331333133313331333133313131322331   >>    C1311213331333132332133313331333133313331333133313331313132233   <<    C13112133313331323321333133313331333133313331333133313131322333   >>      C13112133313331323321333133313331333133313331333133313131322332   >>