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

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        var ans = new int[n][];
        for (var i = 0; i < n; ++i) ans[i] = Enumerable.Repeat(0, n).ToArray();
        for (var i = 0; i < n; ++i) for (var j = 0; j <= i; ++j)
        {
            ans[i][j] = i % 2 == 0 && i == j ? 1 : 2;
        }
        WriteLine(string.Join("\n", ans.Select(ai => string.Concat(ai))));
    }
}