#include <iostream>
#include <algorithm>
using namespace std;
int main() {
int t; cin>>t;
while(t--){
int n; cin>>n;
int a[n];
for(int i=0;i<n;++i){
cin>>a[i];
}
sort(a,a+n);
while(n--)
cout<<a[n]<<" ";
cout<<endl;
}
return 0;
}
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