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

template <typename T, typename U> bool cmin(T &a, U b) { return a > b && (a = b, true); }
template <typename T, typename U> bool cmax(T &a, U b) { return a < b && (a = b, true); }

signed main() {
  cin.tie(nullptr);
  ios_base::sync_with_stdio(false);

  int N;
  cin >> N;
  for (int i = 0; i < N; i++) {
    int D;
    cin >> D;
    if (D == 1) cout << 10 << "\n", 0;
    else {
      cout << 9, D--;
      while (D--) cout << 0;
      cout << "\n";
    }
  }
}