#include<bits/stdc++.h>
using namespace std;
using ll = long long;

int main(){
    clock_t start=clock();

    int N;
    cin>>N;

    while(N--){
        int K;
        cin>>K;
        vector<int> L(K);
        for(int i=0;i<K;++i) cin>>L[i];

        sort(L.begin(),L.end(),greater<int>());

        for(int i=0;i<K-1;++i) cout<<L[i]<<" ";
        cout<<L.back()<<endl;
    }

    clock_t end=clock();

    //cout<<1.0*(end-start)/CLOCKS_PER_SEC<<endl;

    return 0;
}