Y \ X
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
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
13990
13989
13988
13987
13986
13985
13984
13983
13982
13981
13980
13979
13978
13977
13976
13975
13974
13973
13972
13971
13970