#include <bits/stdc++.h>
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, greater<int>());
    for (int j = 0; j < n; j++) cout << a[j] << " ";
    cout << "\n";
  }
}
