???????

using System;

using System.Collections.Generic;

using System.Text;



namespace Test

{

    class Program

    {

        static void Main(string[] args)

        {
            for(int i = 0;i < 7;i++)
            {
                for(int j = 0;j < 7;j++)
                {
                    if(j == i || i == 7-j-1)
                    {
                        Console.Write("0");
                    }
                    else
                    {
                        Console.Write(".");
                    }
                }
                Console.WriteLine();
            }
        }
    }
}