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
11920
11919
11918
11917
11916
11915
11914
11913
11912
11911
11910
11909
11908
11907
11906
11905
11904
11903
11902
11901
11900