public static void Main()
byte[] ba = new Guid("f446ec5e-20a5-4452-94e1-0b5388f58f2c").ToByteArray();
long firstHalf = BitConverter.ToInt64(ba, 2);
long secondHalf = BitConverter.ToInt64(ba, 8);
var combined = firstHalf ^ secondHalf;
Console.WriteLine(Base36Extensions.ToBase36(combined));