#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < n; ++i)
typedef long long ll;
using namespace std;

int main() {
    cin.tie(0)->sync_with_stdio(0);

    int T;
    cin >> T;
    rep(i, T) {
        int N;
        cin >> N;
        vector<int> A(N);
        rep(j, N) cin >> A[j];
        sort(A.rbegin(), A.rend());

        rep(j, N) cout << A[j] << " ";
        cout << "\n";
    }

    return 0;
}