C111123313331323113313331333133313331323123231333131133131233131   >>    C11112331333132311331333133313331333132312323133313113313123313   <<    C111123313331323113313331333133313331323123231333131133131233133   >>      C111123313331323113313331333133313331323123231333131133131233132   >>