n = int(input())
for i in range(n):
	parts = input().split()
	p = list(map(int, parts))
	a = p[0]
	del p[0]
	p.sort(reverse=True)
	
	for j in range(a):
		if j != a-1:
			print(p[j], end=" ")
		else:
			print(p[j])