Y \ X
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
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
12860
12859
12858
12857
12856
12855
12854
12853
12852
12851
12850
12849
12848
12847
12846
12845
12844
12843
12842
12841
12840