import java.util.Arrays;
import java.util.Scanner;
class Main{
public static void main( String[] args ){
Scanner sc = new Scanner( System.in );
int T = sc.nextInt();
while(T>0){
int n = sc.nextInt();
int[] W = new int[n];
for( int i = 0; i < n; i ++ )
W[i] = sc.nextInt();
Arrays.sort(W);
for( int i = n-1; i >= 0; i – )
System.out.print( W[i]+” ” );
System.out.println();
T–;
}
}
}