C13112133313331323321333133313331333133313331333133313331333133313113223131   >>    C1311213331333132332133313331333133313331333133313331333133313331311322313   <<    C13112133313331323321333133313331333133313331333133313331333133313113223133   >>      C13112133313331323321333133313331333133313331333133313331333133313113223132   >>