Y \ X
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
12710
12709
12708
12707
12706
12705
12704
12703
12702
12701
12700
12699
12698
12697
12696
12695
12694
12693
12692
12691
12690