C111123313331323113313331333133313331323123231333133313331323113232223131   >>    C11112331333132311331333133313331333132312323133313331333132311323222313   <<    C111123313331323113313331333133313331323123231333133313331323113232223133   >>      C111123313331323113313331333133313331323123231333133313331323113232223132   >>