What is the output of the following C# code?

What is the output of the following C# code?

            int x, y;

            x = 2;

            while (x <= 6)

            {

                y = 1;

                while (y < 3)

                {

                    Console.Write(x);

                    y = y + 1;

                }

                Console.WriteLine();

                x = x + 2;

            }