Eggcellent - SoftUni

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

namespace Neurons
{
    class Program
    {
        static void Main(string[] args)
        {
            int number = int.Parse(Console.ReadLine());
            int drawingWidt = 3 * number + 1;
            int eggWidth = 3 * number - 1;


            string[] array = new string[number - 2];
            AssignBody(number, array);



            PrintTopBottom(number, drawingWidt);

            for (int i = 0; i <array.Length; i++)
            {
                Console.WriteLine(array[i]);
            }

            UpperCrack(drawingWidt);
            LowerCrack(drawingWidt);

            for (int i = array.Length - 1; i >= 0; i--)
            {
                Console.WriteLine(array[i]);
            }


            PrintTopBottom(number, drawingWidt);


        }

        private static void AssignBody(int n, string[] array)
        {
            if (n > 2)
            {
                int outerDots = n - 1;
                int innerDots = n + 1;
                for (int i = 0; i < n - 2; i++)
                {
                    array[i] = new string('.', outerDots) + "*" +
                                new string('.', innerDots) + "*" +
                                new string('.', outerDots);
                    if (outerDots >= 3)
                    {
                        outerDots -= 2;
                        innerDots += 4;
                    }
                }
            }
        }


        private static void LowerCrack(int drawingWidt)
        {
            for (int i = 0; i < drawingWidt; i++)
            {
                if (i == 1 || i == drawingWidt - 2) Console.Write('*');
                else if (i % 2 == 1 && i != 0 && i != drawingWidt - 1) Console.Write('@');
                else Console.Write('.');
            }
            Console.WriteLine();
        }

        private static void UpperCrack(int drawingWidt)
        {
            for (int i = 0; i < drawingWidt; i++)
            {
                if (i == 1 || i == drawingWidt - 2) Console.Write('*');
                else if (i % 2 == 0 && i != 0 && i != drawingWidt - 1) Console.Write('@');
                else Console.Write('.');
            }
            Console.WriteLine();
        }

        private static void PrintTopBottom(int n, int drawingWidt)
        {
            Console.Write(new string('.', (drawingWidt - n + 1) / 2));
            Console.Write(new string('*', n - 1));
            Console.WriteLine(new string('.', (drawingWidt - n + 1) / 2));
        }
    }
}