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
8940
8939
8938
8937
8936
8935
8934
8933
8932
8931
8930
8929
8928
8927
8926
8925
8924
8923
8922
8921
8920