Y \ X
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
4850
4849
4848
4847
4846
4845
4844
4843
4842
4841
4840
4839
4838
4837
4836
4835
4834
4833
4832
4831
4830