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
4780
4779
4778
4777
4776
4775
4774
4773
4772
4771
4770
4769
4768
4767
4766
4765
4764
4763
4762
4761
4760