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
13840
13839
13838
13837
13836
13835
13834
13833
13832
13831
13830
13829
13828
13827
13826
13825
13824
13823
13822
13821
13820