#include <iostream>
#include <cstdint>
#include <algorithm>
#include <functional>

using namespace std;

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

	uint16_t N, i, K, j, L[20];
	cin >> N;
	for (i = 0; i != N; ++i)
	{
		cin >> K;
		for (j = 0; j != K; ++j)
			cin >> L[j];

		sort(L, L + K, greater<uint16_t>());
		cout << L[0];
		for (j = 1; j != K; ++j)
			cout << ' ' << L[j];
		cout << '\n';
	}

	return 0;
}