using System;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        int N = 7;

        for (int i = 0; i < N; i++)

        {

            string s = "";

            for (int j = N; j >= N - i; j--)

            {

                s += new string (' ', N - i - 1);

                s += '/' + new string (' ', 2 * i - 2 * (N - j)) + '\\';

                s += new string (' ', N - i - 1);

            }

​

            Console.WriteLine(s);

        }

    }

}