#include <iostream>
using namespace std;
int main() {
int t;
cin>>t;
while(t--){
int n;
cin>>n;
for(int i=0; i<n;++i){
for(int j=1;j<=2*n;++j){
if(j<i){
cout<<"*";
}
else if(j>i && j<((2*n) - i)){
cout<<"#";
}
else{
cout<<"*";
}
}
cout<<endl;
}
}
return 0;
}
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