PERFECT DIAMOND2

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

namespace PerfectDiamond
{
    class PerfectDiamond
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            var spaces2 = n - 2 ;


            //UPPER
            Console.WriteLine("{0}*", new string (' ', n -1));
            for (int row = 1; row <= n - 1; row++)
            {

                Console.Write("{0}*", new string (' ', spaces2));
                for (int col = 0; col < row; col++)
                {
                    Console.Write("-*");

                }
                spaces2--;
                Console.WriteLine();
            }



            //LOWER
            spaces2 = 1;
            for (int row = 1; row <= n - 2; row++)
            {

                Console.Write("{0}*", new string(' ', spaces2));
                for (int col = n-2; col >= row; col--)
                {
                    Console.Write("-*");

                }
                spaces2++;
                Console.WriteLine();
            }
            Console.WriteLine("{0}*", new string(' ', n - 1));





        }
    }
}