#include <bits/stdc++.h>
using namespace std;
const int maxx = 1e3 + 10;
int t, n;
int a[maxx];
int main() {
  cin >> t;
  while (t--) {
    cin >> 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;
}
