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
7790
7789
7788
7787
7786
7785
7784
7783
7782
7781
7780
7779
7778
7777
7776
7775
7774
7773
7772
7771
7770