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
12880
12879
12878
12877
12876
12875
12874
12873
12872
12871
12870
12869
12868
12867
12866
12865
12864
12863
12862
12861
12860