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
12880
12879
12878
12877
12876
12875
12874
12873
12872
12871
12870
12869
12868
12867
12866
12865
12864
12863
12862
12861
12860