T = int(input())
for _ in range(T):
n = int(input())
res = []
for i in range(n):
if i % 2 == 0:
res.append('1')
else:
res.append('2')
print(' '.join(res))

T = int(input())
for _ in range(T):
n = int(input())
res = []
for i in range(n):
if i % 2 == 0:
res.append('1')
else:
res.append('2')
print(' '.join(res))