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
3650
3649
3648
3647
3646
3645
3644
3643
3642
3641
3640
3639
3638
3637
3636
3635
3634
3633
3632
3631
3630