Rhombus_of_Stars

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Rhombus_of_Stars
{
    class Rhombus_of_Stars
    {
        static void Main(string[] args)
        {
            int n =  int.Parse(Console.ReadLine());
            for (int i = 1; i <= n; i++)
            {
                Console.Write(new string(' ', n - i));
                for (int j = 1; j <= i; j++)
                {
                    Console.Write("*");
                    if (j < i)
                    {
                        Console.Write(' ');
                    }
                }
                Console.WriteLine();
            }
            for (int k = n-1; k >= 1; k--)
            {
                Console.Write(new string(' ', n - k));
                for (int l = 1; l <= k; l++)
                {
                    Console.Write("*");
                    if (l < k)
                    {
                        Console.Write(' ');
                    }
                }
                Console.WriteLine();
            }
        }
    }
}