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
5470
5469
5468
5467
5466
5465
5464
5463
5462
5461
5460
5459
5458
5457
5456
5455
5454
5453
5452
5451
5450