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
7460
7459
7458
7457
7456
7455
7454
7453
7452
7451
7450
7449
7448
7447
7446
7445
7444
7443
7442
7441
7440