Чтение файла в правильной кодировке - C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
 
namespace files
{
    class Program
    {
        static void Main(string[] args)
        {
            FileStream file = new FileStream("files.txt", FileMode.Create);
            StreamWriter writer = new StreamWriter(file,Encoding.Unicode);
            for (int i = 0; i < 500; i++)
                writer.Write(i + ' ');
            writer.Close();
            FileStream file1 = new FileStream("files.txt", FileMode.Open);
            StreamReader reader=new StreamReader(file1);
            Console.WriteLine(reader.ReadToEnd());
            reader.Close();
                Console.ReadKey();
        }
    }
}