using System;

using System.Collections.Generic;

using System.Linq;                  

public class Program

{

    public static void Main()

    {

        var kvps = new List<KeyValuePair<int, string>>();

        kvps.Add(new KeyValuePair<int, string>(1, "test 1"));

        kvps.Add(new KeyValuePair<int, string>(3, "test 3"));

        kvps.Add(new KeyValuePair<int, string>(2, "test 2"));

        foreach(var item in kvps)

        {

            Console.WriteLine(item.Value);

        }

        foreach(var item in kvps.OrderBy(x => x.Key))

        {

            Console.WriteLine(item.Value);

        }

    }

}