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
12440
12439
12438
12437
12436
12435
12434
12433
12432
12431
12430
12429
12428
12427
12426
12425
12424
12423
12422
12421
12420