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
11460
11459
11458
11457
11456
11455
11454
11453
11452
11451
11450
11449
11448
11447
11446
11445
11444
11443
11442
11441
11440