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
9550
9549
9548
9547
9546
9545
9544
9543
9542
9541
9540
9539
9538
9537
9536
9535
9534
9533
9532
9531
9530