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
9910
9909
9908
9907
9906
9905
9904
9903
9902
9901
9900
9899
9898
9897
9896
9895
9894
9893
9892
9891
9890