using System;
//using System.Collections.Generic;
//using System.Linq;
//using System.Text;
//using System.Threading.Tasks;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = 2;
            int Resultnumber = 1;

            for (int i = 0; i < 5; i++)
            {
               
                for (int j = -3; Math.Abs(j) >= (Math.Abs(n)+1); j++)
                {
                    Console.Write(Resultnumber);
                                      
                }

                n -= 1;//공백을 증가했다가 감소시킴

                Console.WriteLine();
            }

        }
    }
}