C13112133313331323321333133313331333133313331313331322331311311331   >>    C1311213331333132332133313331333133313331333131333132233131131133   <<    C13112133313331323321333133313331333133313331313331322331311311333   >>      C13112133313331323321333133313331333133313331313331322331311311332   >>