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
4700
4699
4698
4697
4696
4695
4694
4693
4692
4691
4690
4689
4688
4687
4686
4685
4684
4683
4682
4681
4680