#include <iostream>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <numeric>
#include <bitset>
#include <cmath>

static const int MOD = 1000000007;
using ll = long long;
using u32 = unsigned;
using u64 = unsigned long long;
using namespace std;

template<class T> constexpr T INF = ::numeric_limits<T>::max() / 32 * 15 + 208;

int main() {
    int q;
    cin >> q;
    while(q--){
        int x;
        scanf("%d", &x);
        if(x == 1) puts("10");
        else cout << "9" << string(x-1, '0') << "\n";
    }
    return 0;
}