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
9580
9579
9578
9577
9576
9575
9574
9573
9572
9571
9570
9569
9568
9567
9566
9565
9564
9563
9562
9561
9560