Y \ X
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
5581
5582
5583
5584
5585
5586
5587
5588
5589
5590
10580
10579
10578
10577
10576
10575
10574
10573
10572
10571
10570
10569
10568
10567
10566
10565
10564
10563
10562
10561
10560