Y \ X
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
4360
4359
4358
4357
4356
4355
4354
4353
4352
4351
4350
4349
4348
4347
4346
4345
4344
4343
4342
4341
4340