Towers of Hanoi, C#

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//Title of this code
//Rextester.Program.Main is the entry point for your code. Don't change it.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            List<int> s = new List<int>(){3,2,1};
            List<int> d = new List<int>();
            List<int> a = new List<int>();
            
            Move(s.Count, s, d, a, "source", "destination", "aux");
        }
        
        public static void Move(int how_many, List<int> source, List<int> destination, List<int> aux, string s, string d, string a)
        {
            if(how_many == 1)
            {
                destination.Add(source.Last());
                source.RemoveAt(source.Count-1);
                Console.WriteLine("Move from {0} to {1}", s, d);
                return;
            }
            else
            {
                Move(how_many-1, source, aux, destination, s, a, d);
                destination.Add(source.Last());
                source.RemoveAt(source.Count-1);
                Console.WriteLine("Move from {0} to {1}", s, d);
                Move(how_many-1, aux, destination, source, a, d, s);
            }
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0.33 sec, absolute running time: 0.16 sec, cpu time: 0.12 sec, average memory usage: 21 Mb, average nr of threads: 5