using System;

​

public class Program

{

    public static void Main()

    {

        float figHeight = 17;

        int ch = 1;

        int count = 3;

        if (figHeight % 2 == 0)

        {

            Console.Write("Fehler");

        }

        else

        {

            for (float i = 0; i < figHeight / 2 - 0.5; i++)

            {

                Console.Write("/");

                for (float p = 0; p <= i - 1; p++)

                {

                    Console.Write(ch);

                    ch++;

                }

​

                ch--;

                for (float p = 0; p <= i - 1; p++)

                {

                    Console.Write(ch);

                    ch--;

                }

​

                ch = 1;

                Console.WriteLine("\\");

            }

​

            for (float i = figHeight / 2; i == figHeight / 2; i++)

            {

                Console.Write("|");

                for (float p = 0; p <= i - 1; p++)

                {

                    Console.Write(ch);

                    ch++;

                }

​

                ch--;

                for (float p = 0; p <= i - 1; p++)

                {

                    Console.Write(ch);

                    ch--;

                }

​

                ch = 1;

                Console.WriteLine("|");

            }

​

            for (float i = (figHeight / 2) + 1; i <= figHeight; i++)

            {

                Console.Write("\\");

                for (float p = i - count; p >= 0; p--)

                {

                    Console.Write(ch);

                    ch++;

                }

​

                ch--;

                for (float p = i - count; p >= 0; p--)

                {

                    Console.Write(ch);

                    ch--;

                }

​

                count++;

                count++;

                ch = 1;

                Console.WriteLine("/");

            }

        }

    }

}