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
4690
4689
4688
4687
4686
4685
4684
4683
4682
4681
4680
4679
4678
4677
4676
4675
4674
4673
4672
4671
4670