using System;

public class Program

{

    public static void Main()

    {

        for(int a=1;a<=7;a++)//Anggka

        {

            for(int c=1;c<=a;c++){

                    Console.Write(a);

                }//Jumlah kolom kiri

            for(int b=1;b<=1-a;b++){

                    Console.Write(" ");

                }//Spasi kanan

            for(int c=1;c<=a-1;c++){

                    Console.Write(a);

                }//Jumlah kolom kanan

            Console.WriteLine("");

        }

    }

}