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
13040
13039
13038
13037
13036
13035
13034
13033
13032
13031
13030
13029
13028
13027
13026
13025
13024
13023
13022
13021
13020