Y \ X
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
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
12410
12409
12408
12407
12406
12405
12404
12403
12402
12401
12400
12399
12398
12397
12396
12395
12394
12393
12392
12391
12390