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
13200
13199
13198
13197
13196
13195
13194
13193
13192
13191
13190
13189
13188
13187
13186
13185
13184
13183
13182
13181
13180