change forecolor of Cross line matrix in c#

static void DisplayMatrixWithCross(int[,] matrix)
        {
            for (int row = 0; row < matrix.GetLength(0); row++)
            {
                for (int col = 0; col < matrix.GetLength(1); col++)
                {
                    if (row == (col - 5) + 5)
                    {
                        Console.BackgroundColor = ConsoleColor.Yellow;
                    }
                    Console.ResetColor();

                    if (row == (col + 5) - 5)
                    {
                        Console.ForegroundColor = ConsoleColor.Red;
                    }
                    Console.Write("{0,3} ", matrix[row, col].ToString("00"));
                }
                Console.WriteLine();
            }}

I want to change the color of cross line matric like X. for now i am able to get from UpperLeft but i need from upperRight as well.
It should print the line X in red color. can someone please help in this. below is the example how it should looks like