#include "testlib.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

#define all(a) begin(a), end(a)

#define space inf.readChar(' ')
#define endl inf.readChar('\n')
#define eof inf.readEof()

const ll min_t = 1;
const ll max_t = 200'000;

const ll min_n = 2;
const ll max_n = 200'000;
const ll max_sum_n = 200'000;


const ll min_ab = 1;
const ll max_ab = 1'000'000'000;

int main(){
    registerValidation();
    int testcases = inf.readInt(min_t, max_t);
    inf.readEoln();

    int sum_n = 0;
    for(int t = 0; t < testcases; t++) {
        int n = inf.readInt(min_n, max_n);
        inf.readEoln();
        sum_n += n;

        // A_i
        for(int i = 0; i < n; i++) {
            inf.readInt(min_ab, max_ab);
            if(i < n-1) inf.readSpace();
            else inf.readEoln();
        }

        // B_i
        for(int i = 0; i < n; i++) {
            inf.readInt(min_ab, max_ab);
            if(i < n-1) inf.readSpace();
            else inf.readEoln();
        }
    }

    inf.readEof();

    assert(sum_n <= max_sum_n);
}