Y \ X
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
4461
4462
4463
4464
4465
4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488
4489
4490
2710
2709
2708
2707
2706
2705
2704
2703
2702
2701
2700
2699
2698
2697
2696
2695
2694
2693
2692
2691
2690