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
5560
5559
5558
5557
5556
5555
5554
5553
5552
5551
5550
5549
5548
5547
5546
5545
5544
5543
5542
5541
5540