Y \ X
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
3990
3989
3988
3987
3986
3985
3984
3983
3982
3981
3980
3979
3978
3977
3976
3975
3974
3973
3972
3971
3970