Y \ X
4440
4441
4442
4443
4444
4445
4446
4447
4448
4449
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
2760
2759
2758
2757
2756
2755
2754
2753
2752
2751
2750
2749
2748
2747
2746
2745
2744
2743
2742
2741
2740