#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
using mint = modint998244353;
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using vll = vector<ll>;
using vvll = vector<vll>;
using vvvll = vector<vvll>;
using vmi = vector<mint>;
using vvmi = vector<vmi>;
using vvvmi = vector<vvmi>;
#define all(a) (a).begin(), (a).end()
#define rep2(i, m, n) for (int i = (m); i < (n); ++i)
#define rep(i, n) rep2(i, 0, n)
#define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i)
#define drep(i, n) drep2(i, n, 0)
void solve(){
    ll m; cin >> m;
    int mn = 0;
    vi d(9); rep(i, 9){
        cin >> d[i];
        mn = max(d[i], mn);
    }
    if(mn == 0){
        cout << m << endl;
        return;
    }
    string u = "";
    rep(i, 9){
        char c = (i+1) + '0';
        u.append(d[i], c);
    }
    ll ans = stoll(u)*pow(10, 9);
    cout << ans + (m - ans % m) << endl;
    
}

int main(){
    int t; cin >> t;
    while(t--)solve();
    return 0;
}