#include <bits/stdc++.h>
using namespace std;
long long int mod = 1000000007;
long long int m = 998244353;
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);
    for (int i = n - 1; i >= 0; i--) cout << a[i] << " ";
    cout << endl;
  }
  return 0;
}
