Y \ X
5540
5541
5542
5543
5544
5545
5546
5547
5548
5549
5550
5551
5552
5553
5554
5555
5556
5557
5558
5559
5560
5561
5562
5563
5564
5565
5566
5567
5568
5569
5570
5571
5572
5573
5574
5575
5576
5577
5578
5579
5580
10560
10559
10558
10557
10556
10555
10554
10553
10552
10551
10550
10549
10548
10547
10546
10545
10544
10543
10542
10541
10540