Y \ X
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
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
6960
6959
6958
6957
6956
6955
6954
6953
6952
6951
6950
6949
6948
6947
6946
6945
6944
6943
6942
6941
6940