#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

void solve() {
    int n;
    cin >> n;
    vector<int> xs(n);
    for (auto& x : xs) cin >> x;

    sort(xs.rbegin(), xs.rend());
    for (auto x : xs) cout << x << " ";
    cout << "\n";
}

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);

    int q;
    cin >> q;
    while (q--) solve();

    return 0;
}