using System;

using System.Text;

​

public class Program

{

    public static void Main()

    {

        var str = "°º\xb0";

        Console.WriteLine(str);

        foreach (var b in Encoding.UTF8.GetBytes(str))

            Console.Write("{0:X2} ", b);

        Console.WriteLine("\n{0}", str.Length);

    }

}