C111123313331323113313331333133313331323132333133313331312233131   >>    C11112331333132311331333133313331333132313233313331333131223313   <<    C111123313331323113313331333133313331323132333133313331312233133   >>      C111123313331323113313331333133313331323132333133313331312233132   >>