#include <bits/stdc++.h>
using namespace std;
using ll = long long;
template <class T>
using V = vector<T>;
template <class T, class U>
using P = pair<T, U>;
using vll = V<ll>;
using vvll = V<vll>;
template <class T>
inline bool chmax(T& a, T b) {
  if (a < b) {
    a = b;
    return true;
  }
  return false;
}
template <class T>
inline bool chmin(T& a, T b) {
  if (a > b) {
    a = b;
    return true;
  }
  return false;
}
const ll MOD = 1000000007;
const ll HIGHINF = (ll)1e18;
const int INF = 1e9;
int t;
int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  cin >> t;
  while (t-- > 0) {
    int n;
    cin >> n;
    V<int> a(n);
    for (int i = 0; i < n; i++) cin >> a[i];
    sort(a.begin(), a.end());
    reverse(a.begin(), a.end());
    for (int i = 0; i < n; i++) cout << a[i] << (i == n - 1 ? '\n' : ' ');
  }
  return 0;
}
