#include <bits/stdc++.h>   using namespace std;   signed main() {     ios::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     ;     int t;     cin >> t;     while (t--) {       int n;       cin >> n;       while (n--) {         if (n == 0) {           cout <<  1  <<   n ;         } else {           cout <<  1  ;         }       }     }   }   