C111123313331323113313331333133313331323132333133313332112323111   >>    C11112331333132311331333133313331333132313233313331333211232311   <<    C111123313331323113313331333133313331323132333133313332112323113   >>      C111123313331323113313331333133313331323132333133313332112323112   >>