Y \ X
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
4450
4449
4448
4447
4446
4445
4444
4443
4442
4441
4440
4439
4438
4437
4436
4435
4434
4433
4432
4431
4430