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
4500
4499
4498
4497
4496
4495
4494
4493
4492
4491
4490
4489
4488
4487
4486
4485
4484
4483
4482
4481
4480