#include<bits/stdc++.h>
using namespace std;

int main(int argc, char* argv[]){
  ifstream input(argv[1]);
  int T;
  input >> T;
  for(int t = 0; t < T; t++){
    int N;
    input >> N;
    vector<int>P(N + 1);
    for(int i = 1; i <= N; i++){
      input >> P[i];
    }
    int query_num = 0;
    cout << N << endl;
    while(true){
      char type;
      assert(cin >> type);
      assert(type == '?' || type == '!');
      if(type == '?'){
        query_num++;
        assert(query_num <= 10);
        vector<int>A(N);
        for(int i = 1; i <= N - 1; i++){
          assert(cin >> A[i]);
          assert(A[i] == 0 || A[i] == 1);
        }
        vector<int>B(N + 1);
        B[1] = P[1];
        for(int i = 1; i <= N - 1; i++){
          if(A[i] == 0){
            B[i + 1] = min(B[i], P[i + 1]);
          }
          else{
            B[i + 1] = max(B[i], P[i + 1]);
          }
        }
        for(int i = 1; i <= N; i++){
          cout << B[i];
          if(i < N){
            cout << " ";
          }
          else{
            cout << endl;
          }
        }
      }
      if(type == '!'){
        vector<int>Q(N + 1);
        for(int i = 1; i <= N; i++){
          assert(cin >> Q[i]);
          assert(P[i] == Q[i]);
        }
        break;
      }
    }
  }
  return 0;
}