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

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[] NMi => ReadLine().Split().Select(c => int.Parse(c) - 1).ToArray();
    static int[][] NMap(int n) => Enumerable.Repeat(0, n).Select(_ => NMi).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var t = NN;
        var ans = new List<int>();
        var yi = 81181819;
        var dp = new int[100];
        for (var i = 1; i < dp.Length; ++i)
        {
            dp[i] = dp[i - 1] + 1;
            if (i > 7) dp[i] = Math.Min(dp[i], dp[i - 8] + 1);
        }
        for (var u = 0; u < t; ++u)
        {
            var n = NN;
            var m = yi - n;
            var bitmax = 823543;
            var all = 10;
            var ansb = 0;
            for (var b = 0; b < bitmax; ++b)
            {
                var sub = 0;
                var rest = m;
                var tmp = b;
                for (var i = 0; i < 8; ++i)
                {
                    var count = dp[rest % 10 + tmp % 7 * 10];
                    sub = Math.Max(sub, count);
                    rest -= tmp % 7 * 10;
                    if (rest < 0)
                    {
                        sub = int.MaxValue;
                        break;
                    }
                    rest /= 10;
                    tmp /= 7;
                }
                if (all > sub)
                {
                    all = sub;
                    ansb = b;
                }
            }
            var map = new char[all][];
            for (var i = 0; i < all; ++i) map[i] = new char[8];
            var rest2 = m;
            var tmp2 = ansb;
            for (var j = 0; j < 8; ++j)
            {
                var target = rest2 % 10 + tmp2 % 7 * 10;
                for (var i = 0; i < all; ++i)
                {
                    if (target > 7)
                    {
                        map[i][j] = '8';
                        target -= 8;
                    }
                    else if (target > 0)
                    {
                        map[i][j] = '1';
                        target -= 1;
                    }
                    else map[i][j] = '0';
                }
                rest2 = (rest2 - tmp2 % 7 * 10) / 10;
                tmp2 /= 7;
            }
            ans.Add(all);
            for (var i = 0; i < all; ++i)
            {
                Array.Reverse(map[i]);
                ans.Add(int.Parse(string.Concat(map[i])));
            }
        }
        WriteLine(string.Join("\n", ans));
    }
}