#include <bits/stdc++.h>
using namespace std;
int main() {
  int t;
  cin >> t;
  while (t--) {
    long long int n;
    cin >> n;
    long long int a[n];
    for (long long int i = 0; i < n; i++) cin >> a[i];
    sort(a, a + n);
    for (long long int i = n - 1; i >= 0; i--) cout << a[i] << " ";
    cout << endl;
  }
  return 0;
}
