using System;

using System.Data.SqlTypes;

using System.Xml;

using System.Linq;

public class Program

{

    public static void Main(string[] args)

    {

        var g2 = new SqlGuid("57d0afff-9d9d-11e4-bec2-e840f2ad1632");

        var g3 = new SqlGuid("57d0b000-9d9d-11e4-bec2-e840f2ad1632");

​

        byte[] g2AsByte = new Guid("57d0afff-9d9d-11e4-bec2-e840f2ad1632").ToByteArray();

        byte[] g3AsByte = new Guid("57d0b000-9d9d-11e4-bec2-e840f2ad1632").ToByteArray();

        Console.WriteLine(String.Join(" ",g2AsByte.Select(b=>String.Format("{0,3}",b))));

        Console.WriteLine(String.Join(" ",g3AsByte.Select(b=>String.Format("{0,3}",b))));

    }

}