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
9670
9669
9668
9667
9666
9665
9664
9663
9662
9661
9660
9659
9658
9657
9656
9655
9654
9653
9652
9651
9650