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
8740
8739
8738
8737
8736
8735
8734
8733
8732
8731
8730
8729
8728
8727
8726
8725
8724
8723
8722
8721
8720