Y \ X
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
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2850
2849
2848
2847
2846
2845
2844
2843
2842
2841
2840
2839
2838
2837
2836
2835
2834
2833
2832
2831
2830