Y \ X
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
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
13940
13939
13938
13937
13936
13935
13934
13933
13932
13931
13930
13929
13928
13927
13926
13925
13924
13923
13922
13921
13920