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
7260
7259
7258
7257
7256
7255
7254
7253
7252
7251
7250
7249
7248
7247
7246
7245
7244
7243
7242
7241
7240