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
3670
3669
3668
3667
3666
3665
3664
3663
3662
3661
3660
3659
3658
3657
3656
3655
3654
3653
3652
3651
3650