#include <bits/stdc++.h> #ifdef _DEBUG #include "debug.hpp" #else #define debug(...) #endif #define fastIO (cin.tie(0), cout.tie(0), ios::sync_with_stdio(false)) #define rep(i, n) for (int i = 0; i < (n); ++i) #define MAX 10 using namespace std; void solve() { int n; cin >> n; vector<string> S(n), T(n); for (auto &s : S) cin >> s; for (auto &t : T) cin >> t; for (int i = 0; i < n; i++) { if (S[i] != T[i]) { cout << (i + 1) << '\n'; cout << S[i] << '\n'; cout << T[i] << '\n'; return; } } } void wrapper() { int loop; cin >> loop; rep(i, loop) { cout << "[TEST " << i + 1 << "]\n"; solve(); cout << "\n"; } } int main() { fastIO; #ifdef _DEBUG wrapper(); #else solve(); #endif }