#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef pair<ll,ll> P;
typedef vector<ll> VI;
typedef vector<VI> VVI;
#define REP(i,n) for(int i=0;i<n;i++)
#define ALL(v) v.begin(),v.end()
constexpr ll MOD=1000000007;
constexpr ll INF=1e18;

int main(){
	int n; cin >> n;
	VI d(n); REP(i,n) cin >> d[i];
	REP(i,n){
		if(d[i]==1)
			cout << 10 << endl;
		else{
			cout << 9;
			REP(j,d[i]-1)
				cout << 0;
			cout << endl;
		}
	}
	return 0;
}