Number Table

using System;

public class Program
{
    public static void Main()
    {
        var n = int.Parse(Console.ReadLine());
        for(int row = 1; row<=n; row++)
        {
            for(int col = 0; col < n; col++)
            {
                var temp = row+col;
                if(temp>n)
                {
                    temp = (2*n)-temp;
                }
                Console.Write(temp);
                Console.Write(" ");
            }
            Console.WriteLine();
        }
    }
}