C13112133313331323321333133313331333133313331322331322331333133323112113231   >>    C1311213331333132332133313331333133313331333132233132233133313332311211323   <<    C13112133313331323321333133313331333133313331322331322331333133323112113233   >>      C13112133313331323321333133313331333133313331322331322331333133323112113232   >>