#include using namespace std; int main(){ cin.tie(0)->sync_with_stdio(0); int T; cin >> T; while(T--){ int N; cin >> N; for(int i = 0; i < N; i++){ cout << [&]{ if(i == 0) return '?'; if(i & 1) return '1'; return '0'; }() << " \n"[i + 1 == N]; } cout.flush(); vector A(N); for(int& a : A) cin >> a; for(int i = 0; i < N; i++){ cout << [&]{ if(i == 0) return '?'; if(i & 1) return '0'; return '1'; }() << " \n"[i + 1 == N]; } cout.flush(); vector B(N); for(int& b : B) cin >> b; for(int i = 0; i + 1 < N; i++) if(B[i] != B[i + 1]) A[i + 1] = B[i + 1]; cout << "! "; for(int i = 0; i < N; i++){ cout << A[i] << " \n"[i + 1 == N]; } cout.flush(); } }