Y \ X
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
4481
4482
4483
4484
4485
4486
4487
4488
4489
4490
10550
10549
10548
10547
10546
10545
10544
10543
10542
10541
10540
10539
10538
10537
10536
10535
10534
10533
10532
10531
10530