#include <bits/stdc++.h>

using namespace std;
#define rep(i, n, o) for(int i = o;i < (n);i++)
#define ou(x) cout << x << endl
#define ll long long
#define re return 0

int main(){
    int n;
    cin >> n;
    std::vector<int> d(n);
    rep(i, n, 0) cin >> d[i];
    rep(i, n, 0){
        string s = to_string(pow(10, (d[i] - 1)) * 9);
        cout << s.erase(d[i], 7) << endl;
    }
    re;
}