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
4110
4109
4108
4107
4106
4105
4104
4103
4102
4101
4100
4099
4098
4097
4096
4095
4094
4093
4092
4091
4090