#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
using namespace std;
void solve() {
int n, m;
cin >> n >> m;
string s, t;
cin >> s >> t;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int T;
cin >> T;
while (T--) {
solve();
}
return 0;
}