using System;

public class Program

{

    public static void Main()

    {

        Guid guid;

        // Uncomment this to get an exception

        // guid = new Guid("k5a85f64-5717-4562-b3fc-2c963f66afa6");

        // This one works

        guid = new Guid("a5a85f64-5717-4562-b3fc-2c963f66afa6");

        Console.WriteLine(guid);

    }

}