#if __cplusplus >= 201103L
#include <bits/stdc++.h>
#endif
#include <algorithm>
#include <bitset>
#include <cassert>
#include <cctype>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
using namespace std;

typedef long long ll;
const int N = 100005;
const int M = 1000000007;

int n, m;
int a[N];

int main() {
  int C = 0, T;
  scanf("%d", &T);
  while (++C <= T) {
    scanf("%d", &n);
    for (int i = 0; i < n; i++) {
      scanf("%d", &a[i]);
    }

  }
}