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
3600
3599
3598
3597
3596
3595
3594
3593
3592
3591
3590
3589
3588
3587
3586
3585
3584
3583
3582
3581
3580