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
11580
11579
11578
11577
11576
11575
11574
11573
11572
11571
11570
11569
11568
11567
11566
11565
11564
11563
11562
11561
11560