#include <bits/stdc++.h>
using namespace std;
int main() {
  int t;
  cin >> t;
  while (t) {
    int n;
    cin >> n;
    int arr[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 << endl;
    t--;
  }
}
