10660.cpp

#include <bits/stdc++.h>
using namespace std;

#define ll long long

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);

    ll t; cin >> t;
    while(t--){
        ll k; cin >> k;
        while(k--){
            ll n; cin >> n;
                while(n--){
                    ll temp; cin >> temp; 
                }
        }
    }
    return 0;
}