#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int t;
  cin >> t;
  while (t--) {
    int n;
    cin >> n;
    int p = (n + 3) / 4;
    for (int i = 0; i < n - p; ++i) cout << 9;
    for (int i = 0; i < p; ++i) cout << 8;
    cout << "\n";
  }
}
