Persian rugs

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

namespace PersianRugs
{
    class PersianRugs
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int d = int.Parse(Console.ReadLine());

            //int change2 = 0;
            //int dot = 0;
            //for (int i = 0; i < n; i++)
            //{
            //    Console.Write(new string('#', i) + "\\");
            //    if (d * 2 + 5 == n * 2 - 1 - change2 || d * 2 + 3 == n * 2 - 1 - change2 )
            //    {
            //        Console.Write(new string(' ', d) + "\\" + new string('.', 3 - dot) + "/" + new string(' ', d));
            //        dot += 2;
            //    }
            //    else
            //    {
            //        Console.Write(new string(' ', n * 2 - 1 - change2));
            //    }

            //    Console.WriteLine("/" + new string('#', i));
            //    change2 += 2;
            //}
            ////2nd part
            //Console.WriteLine(new string('#', n) + "X" + new string('#', n));
            ////3rd part
            //change2 = 0;
            //int dot2 = 0;
            //for (int i = 0; i < n; i++)
            //{
            //    Console.Write(new string('#', n - 1 - i) + "/");

            //    if ((d * 2 + 3) == 1 + change2 || (d * 2 + 5) == 1 + change2)
            //    {
            //        Console.Write(new string(' ', d) + "/" + new string('.', 1 + dot2) + "\\" + new string(' ', d));
            //        dot2 += 2;
            //    }
            //    else
            //    {
            //        Console.Write(new string(' ', 1 + change2));
            //    }

            //    Console.WriteLine("\\" + new string('#', n - 1 - i));
            //    change2 += 2;


            int change2 = 0;
            for (int i = 0; i < n; i++)
            {
                Console.Write(new string('#', i) + "\\");
                if ((d * 2 + 5) == n * 2 - 1 - change2)
                {
                    Console.Write(new string(' ', d) + "\\.../" + new string(' ', d));
                }
                else if ((d * 2 + 3) == n * 2 - 1 - change2)
                {
                    Console.Write(new string(' ', d) + "\\./" + new string(' ', d));
                }
                else
                {
                    Console.Write(new string(' ', n * 2 - 1 - change2));
                }

                Console.WriteLine("/" + new string('#', i));
                change2 += 2;
            }
            //2nd part
            Console.WriteLine(new string('#', n) + "X" + new string('#', n));
            //3rd part
            change2 = 0;
            for (int i = 0; i < n; i++)
            {
                Console.Write(new string('#', n - 1 - i) + "/");

                if ((d * 2 + 5) == 1 + change2)
                {
                    Console.Write(new string(' ', d) + "/...\\" + new string(' ', d));
                }
                else  if ((d * 2 + 3) == 1 + change2)
                {
                    Console.Write(new string(' ', d) + "/.\\" + new string(' ', d));
                }
                else
                {
                    Console.Write(new string(' ', 1 + change2));
                }

                Console.WriteLine("\\" + new string('#', n - 1 - i));
                change2 += 2;

            }
        }
    }
}