#!/usr/bin/env PyPy3

from collections import Counter, defaultdict, deque
import itertools
import re
import math
from functools import reduce
import operator
import bisect
from heapq import *
import functools
mod=998244353

import sys
input=sys.stdin.readline
t = int(input())
for _ in range(t):
    n = int(input())
    binn = n.bit_length()
    que = [[0] * (n - 1) for _ in range(2)]
    for i in range(n - 1):
        for j in range(2):
            if (i + j) % 2:
                que[j][i] = 1
    res = []
    for i in range(2):
        print('?',*que[i],flush=True)
        tmp = list(map(int,input().split()))
        res.append(tmp)
    ans = [res[0][0]]
    for j in range(1,n):
        for i in range(2):
            if res[i][j] != res[i][j-1]:
                ans.append(res[i][j])
                break
    print('!',*ans,flush = True)