using System;

public class Program

{

    public static void Main()

    {

    for(int i=1;i<=5;i++){ //outer loop=> banyaknya data yang akan ditampilkan

            for (int j=1;j<=i;j++){ //inner loop

                Console.Write(" ");//01234=> isi datanya

            }

            for(int k=5;k>=i;k--){

                Console.Write("*");

            }

        for (int j=1;j<=i;j++){ //inner loop

                Console.Write("*");//01234=> isi datanya

            }

            for(int k=5;k>=i;k--){

                Console.Write("*");

            }

            Console.WriteLine();

        }

    }

    }