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
9940
9939
9938
9937
9936
9935
9934
9933
9932
9931
9930
9929
9928
9927
9926
9925
9924
9923
9922
9921
9920