#include <bits/stdc++.h>
using namespace std;
int main() {
	// your code goes here
	int t;
	cin >> t;
	while (t--) {
	    int n;
	    cin >> n;
	    cout << 9;
	    n--;
	    for (int i = 1; i <= n;i++) cout << 0;
	    cout << endl;
	    
	    //cout << endl;
	}
	return 0;
}