#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  long long t;
  cin >> t;
  while (t) {
    t--;
    long long n;
    cin >> n;
    vector<long long> v(n);
    for (long long i = 0; i < n; i++) cin >> v[i];
    sort(v.begin(), v.end(), greater<int>());
    for (long long i = 0; i < n; i++) cout << v[i] << " ";
    cout << endl;
  }
}
