using System;
using System.Collections.Generic;
using System.Linq;

class Program
{
    static void Main(string[] args)
    {
        var N = int.Parse(Console.ReadLine());

        for (int i = 0; i < N; i++)
        {
            var temp = Console.ReadLine().Split().Select(int.Parse).ToArray();
            var list = new List<int>();

            for (int j = 1; j <= temp[0]; j++)
            {
                list.Add(temp[j]);
            }

            list = list.OrderByDescending(x => x).ToList();
            for (int k = 0; k < list.Count; k++)
            {
                Console.Write(list[k]);
                if (k != list.Count - 1) Console.Write(" ");
            }
            Console.WriteLine();
        }
    }
}