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
12770
12769
12768
12767
12766
12765
12764
12763
12762
12761
12760
12759
12758
12757
12756
12755
12754
12753
12752
12751
12750