Y \ X
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
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
12940
12939
12938
12937
12936
12935
12934
12933
12932
12931
12930
12929
12928
12927
12926
12925
12924
12923
12922
12921
12920