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
8650
8649
8648
8647
8646
8645
8644
8643
8642
8641
8640
8639
8638
8637
8636
8635
8634
8633
8632
8631
8630