C111123313331323113313331323133313331311331311331323331323321231   >>    C11112331333132311331333132313331333131133131133132333132332123   <<    C111123313331323113313331323133313331311331311331323331323321233   >>      C111123313331323113313331323133313331311331311331323331323321232   >>