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
4380
4379
4378
4377
4376
4375
4374
4373
4372
4371
4370
4369
4368
4367
4366
4365
4364
4363
4362
4361
4360