Untitled

class Program
{
    static void Main(string[] args)
    {
        Random r = new Random();
        int size = r.Next(1, 5);
        int r_size = 4 * size + 1;
        string[,] array = new string[r_size, r_size];
        for (int y = 0; y < r_size; y++)
        {
            for (int x = 0; x < r_size; x++)
            {
                array[y, x] = "*";
            }
        }

        for (int y = 0; y < r_size; y++)
        {
            for (int x = 0; x < r_size; x++)
            {
                Console.Write(array[y, x] + " ");
            }
            Console.WriteLine();
        }

        int rows = 9;
        int cols = 9;
        string[,] Array = new string[rows, cols];

        void pattern_trytodrawthis(string[,] array_Pattern, int rows, int cols)
        {
            int x=0, y=0;
            while ( y < size &&  x <size) 
            { 
             if(x == size-1)
             if(y == size-1)

             for ( y = 0; y < rows; y++)
                {
                    for ( x = rows; x < cols -3; x++)
                    {   
                    array_Pattern[y, x] = "  ";
                    }
                    array_Pattern[y, rows] = "* ";
                }

            }
           
        }

        pattern_trytodrawthis(Array, rows, cols);

        Console.WriteLine("\nPattern:");
        for (int y = 0; y < rows; y++)
        {
            for (int x = 0; x < cols; x++)
            {
                Console.Write(Array[y, x]);
            }
            Console.WriteLine();
        }
    }
}