Y \ X
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
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
7520
7519
7518
7517
7516
7515
7514
7513
7512
7511
7510
7509
7508
7507
7506
7505
7504
7503
7502
7501
7500