using System;

using System.Collections.Generic;

using System.Linq;

using System.Runtime.Serialization;

public class Program

{

    public static void Main()

    {

        var list1 = new List<int> { 1, 2, 3 };

        var list2 = new List<int> { 1, 2, 3 };

​

        var list4 = new List<int> { 2, 1, 3, 4 };

​

        Console.WriteLine(list1.SequenceEqual(list2) == true);

        Console.WriteLine(list1.SequenceEqual(list4) == true);

​

    }

}