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
11950
11949
11948
11947
11946
11945
11944
11943
11942
11941
11940
11939
11938
11937
11936
11935
11934
11933
11932
11931
11930