Y \ X
5450
5451
5452
5453
5454
5455
5456
5457
5458
5459
5460
5461
5462
5463
5464
5465
5466
5467
5468
5469
5470
5471
5472
5473
5474
5475
5476
5477
5478
5479
5480
5481
5482
5483
5484
5485
5486
5487
5488
5489
5490
4660
4659
4658
4657
4656
4655
4654
4653
4652
4651
4650
4649
4648
4647
4646
4645
4644
4643
4642
4641
4640