#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll inf = 1e18;
const int N = 2 * 1e5 + 10;
ll res;
ll a[N];
std::vector<ll> v;
void solve() {
  ll n;
  cin >> n;
  for (int i = 0; i < n; ++i) {
    cin >> res, v.push_back(res);
  }
  sort(v.rbegin(), v.rend());
  for (auto i : v) {
    cout << i << " ";
  }
  cout << "\n";
}
int main(int argc, char const *argv[]) {
  ios_base::sync_with_stdio(0);
  cin.tie(NULL);
  cout.tie(NULL);
  ll t = 1;
  cin >> t;
  while (t--) {
    solve();
    v.clear();
  }
}
