#include <bits/stdc++.h>
using namespace std;
int main() {
  int t;
  cin >> t;
  while (t--) {
    int n;
    cin >> n;
    vector<int> a[3];
    for (int i = 0; i < 3; i++) {
      a[i].assign(n, 0);
      for (auto &x : a[i]) cin >> x;
    }
    vector<int> res;
    for (int i = 0; i < n; i++) {
      for (int j = 0; j < 3; j++) {
        if (!res.empty() && res.back() == a[j][i]) continue;
        if (i == n - 1 && !res.empty() && res[0] == a[j][i]) continue;
        res.push_back(a[j][i]);
        break;
      }
    }
    for (auto &x : res) cout << x << " ";
    cout << "\n";
  }
}
