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
3950
3949
3948
3947
3946
3945
3944
3943
3942
3941
3940
3939
3938
3937
3936
3935
3934
3933
3932
3931
3930