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
4360
4359
4358
4357
4356
4355
4354
4353
4352
4351
4350
4349
4348
4347
4346
4345
4344
4343
4342
4341
4340