Exam 29 March 2015 Evening Ex_3

using System;
using System.Collections.Generic;
using System.Linq;

class Three
{
    static void Main()
    {
        //input
        int input = int.Parse(Console.ReadLine());
        int length = (3 * input + 2);

        //counters
        int middleDotCounter = 1;
        int firstDots = 1;

        //first row
        Console.Write(Dots(length / 2));
        Console.Write(Stars(1));
        Console.Write(Dots(length / 2));
        Console.WriteLine();

        // starts printing
        //first 1/3
        while (middleDotCounter <= input)
        {
            Console.Write(Dots(length / 2 - firstDots));
            Console.Write(Stars(1));
            Console.Write(Dots(middleDotCounter));
            Console.Write(Stars(1));
            Console.Write(Dots(length / 2 - firstDots));

            //counter changers
            middleDotCounter += 2;
            firstDots++;

            Console.WriteLine();
        }

        Console.Write(Stars(input));
        Console.Write(Dots(input + 2));
        Console.Write(Stars(input));
        Console.WriteLine();
        //works until here 100%

        //new counters
        middleDotCounter = length - 4;

        int sideDots = 1;

        //prints middle 1/3
        //first part
        for (int i = 0; i < (input-1)/2; i++)
        {
            Console.Write(Dots(sideDots));
            Console.Write(Stars(1));
            Console.Write(Dots(middleDotCounter));
            Console.Write(Stars(1));
            Console.Write(Dots(sideDots));

            sideDots++;
            middleDotCounter -= 2;

            Console.WriteLine();
        }

        //second part
        sideDots -=2;

        Console.Write(Dots(sideDots));
        Console.Write(Stars(1));
        Console.Write(Dots((input - 1) / 2));
        Console.Write(Stars(2));
        Console.Write(Dots(input));
        Console.Write(Stars(2));
        Console.Write(Dots((input - 1) / 2));
        Console.Write(Stars(1));
        Console.Write(Dots(sideDots));
        Console.WriteLine();

        sideDots--;

        int lastStars = 1;

        for (int i = 0; i < (((input - 1) / 2) -1); i++)
        {
            Console.Write(Dots(sideDots));
            Console.Write(Stars(1));
            Console.Write(Dots((input - 1) / 2));
            Console.Write(Stars(1));
            Console.Write(Dots(lastStars));
            Console.Write(Stars(1));

            Console.Write(Dots(input));

            Console.Write(Stars(1));
            Console.Write(Dots(lastStars));
            Console.Write(Stars(1));
            Console.Write(Dots((input - 1) / 2));
            Console.Write(Stars(1));
            Console.Write(Dots(sideDots));

            lastStars++;
            sideDots--;

            Console.WriteLine();
        }

        //line before finishing touches
        Console.Write(Stars(input / 2 + 1));
        Console.Write(Dots((input - 1) / 2));
        Console.Write(Stars(1));
        Console.Write(Dots(input));
        Console.Write(Stars(1));
        Console.Write(Dots((input - 1) / 2));
        Console.Write(Stars(input / 2 +1));
        Console.WriteLine();

        for (int i = 0; i < input; i++)
        {
            Console.Write(Dots(input));
            Console.Write(Stars(1));
            Console.Write(Dots(input));
            Console.Write(Stars(1));
            Console.Write(Dots(input));

            Console.WriteLine();
        }

        //last line

        Console.Write(Dots(input));
        Console.Write(Stars(input + 2));
        Console.Write(Dots(input));
    }

    static string Stars(int n)
    {
        return new String('*', n);
    }

    static string Dots(int n)
    {
        return new String('.', n);
    }
}