using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Въведете число");

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

for (int row = 0; row < n; row++)

{

for (int col = 0; col < n; col++)

{

var num = row + col + 1;

if (num > n) num = 2 * n - num;

Console.Write(num + " ");

}

Console.WriteLine();

}   

    }

}