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
11010
11009
11008
11007
11006
11005
11004
11003
11002
11001
11000
10999
10998
10997
10996
10995
10994
10993
10992
10991
10990