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
2910
2909
2908
2907
2906
2905
2904
2903
2902
2901
2900
2899
2898
2897
2896
2895
2894
2893
2892
2891
2890