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
9850
9849
9848
9847
9846
9845
9844
9843
9842
9841
9840
9839
9838
9837
9836
9835
9834
9833
9832
9831
9830