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
7890
7889
7888
7887
7886
7885
7884
7883
7882
7881
7880
7879
7878
7877
7876
7875
7874
7873
7872
7871
7870