using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var list1 = new List<int> {6,1,2};

​

        var list2 = new List<int> {2,3,11}; 

​

         Console.WriteLine(GetMaximumDifference(list1,list2)); //Expected output: 10

    }

    private static int GetMaximumDifference(List<int> list1, List<int> list2)

    {

        //to be implemented

        return 0;

    }

}