C13112133313331323321333133313331333133313331313331322331311112113313111131   >>    C1311213331333132332133313331333133313331333131333132233131111211331311113   <<    C13112133313331323321333133313331333133313331313331322331311112113313111133   >>      C13112133313331323321333133313331333133313331313331322331311112113313111132   >>