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
7600
7599
7598
7597
7596
7595
7594
7593
7592
7591
7590
7589
7588
7587
7586
7585
7584
7583
7582
7581
7580