Y \ X
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
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
12870
12869
12868
12867
12866
12865
12864
12863
12862
12861
12860
12859
12858
12857
12856
12855
12854
12853
12852
12851
12850