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
13430
13429
13428
13427
13426
13425
13424
13423
13422
13421
13420
13419
13418
13417
13416
13415
13414
13413
13412
13411
13410