using System;

public class Program

{

    public static void Main()

    {

        int i, j, n;

        Console.Write("n: ");

        n = int.Parse(Console.ReadLine());

        for(i = 1, n = 5; i <= n * 2 - 1; Console.WriteLine(), i++)

            for(j = 1; j <= n * 2 - 1; Console.Write(Math.Max(Math.Abs(n - i), Math.Abs(n - j)) + 1), j++);

    }

}