Y \ X
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
12840
12839
12838
12837
12836
12835
12834
12833
12832
12831
12830
12829
12828
12827
12826
12825
12824
12823
12822
12821
12820