Y \ X
4420
4421
4422
4423
4424
4425
4426
4427
4428
4429
4430
4431
4432
4433
4434
4435
4436
4437
4438
4439
4440
4441
4442
4443
4444
4445
4446
4447
4448
4449
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
9920
9919
9918
9917
9916
9915
9914
9913
9912
9911
9910
9909
9908
9907
9906
9905
9904
9903
9902
9901
9900