T=int(input())
for tests in range(T):
    N=int(input())

    A=[0]*(N-1)
    for i in range(N-1):
        if i%2==1:
            A[i]=1

    print("?",*A,flush=True)
    B=list(map(int,input().split()))

    A=[1]*(N-1)
    for i in range(N-1):
        if i%2==1:
            A[i]=0

    print("?",*A,flush=True)
    C=list(map(int,input().split()))

    ANS=[0]*N

    ANS[0]=B[0]

    for i in range(1,N):
        if B[i]!=B[i-1]:
            ANS[i]=B[i]
        if C[i]!=C[i-1]:
            ANS[i]=C[i]

    print("!",*ANS,flush=True)