using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static long[] NList => ReadLine().Split().Select(long.Parse).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        var ans = new string[n];
        for (var i = 0; i < n; ++i)
        {
            var d = NN;
            if (d == 1) ans[i] = "10";
            else ans[i] = string.Concat(new List<char>{ '9' }.Concat(Enumerable.Repeat('0', d - 1)));
        }
        WriteLine(string.Join("\n", ans));
    }
}