#include <algorithm>
#include <cmath>
#include <cstdio>
#include <functional>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
using namespace std;
using ll = long long;
int main() {
  int n;
  cin >> n;
  while(n--) {
    int d;
    cin >> d;
    d--;
    if(d == 0) {
      cout << 10 << '\n';
    } else {
      cout << 9;
      while(d--) {
        cout << 0;
      }
      cout << '\n';
    }
  }
  return 0;
}