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
12520
12519
12518
12517
12516
12515
12514
12513
12512
12511
12510
12509
12508
12507
12506
12505
12504
12503
12502
12501
12500