t = int(input())
for _ in range(t):
n = int(input())
s = list(map(int, input().split()))
max_val, sec_val = 0, 0
for x in s:
if x >= max_val:
sec_val, max_val = max_val, x
elif x >= sec_val:
sec_val = x
for x in s:
other = sec_val if x == max_val else max_val
print(x - other, sep='', end=' ')
print()