#include <bits/stdc++.h>
using namespace std;
void solve() {
  int n, f = 0;
  cin >> n;
  int arr[n], pans[n];
  for (int i = 0; i < n; i++) {
    cin >> arr[i];
  }
  sort(arr, arr + n);
  reverse(arr, arr + n);
  for (int i = 0; i < n; i++) {
    cout << arr[i] << " ";
  }
  cout << "\n";
}
int main() {
  int t;
  cin >> t;
  while (t--) {
    solve();
  }
  return 0;
}
