using System;

public class Program

{

    public static void Main()

    {

        var numbers = Tuple.Create(1, 2, Tuple.Create(3, 4, 5, 6, 7,  8), 9, 10, 11, 12, 13 );

        Console.WriteLine(numbers.Item1); // returns 1

        Console.WriteLine(numbers.Item2); // returns 2

        Console.WriteLine(numbers.Item3); // returns (3, 4, 5, 6, 7,  8)

        Console.WriteLine(numbers.Item3.Item1); // returns 3

        Console.WriteLine(numbers.Item4); // returns 9

        Console.WriteLine(numbers.Rest.Item1); //returns 13

​

    }

}