c# tuple access

var numbers = Tuple.Create(1, 2, Tuple.Create(3, 4, 5, 6, 7,  8), 9, 10, 11, 12, 13 );
numbers.Item1; // returns 1
numbers.Item2; // returns 2
numbers.Item3; // returns (3, 4, 5, 6, 7,  8)
numbers.Item3.Item1; // returns 3
numbers.Item4; // returns 9
numbers.Rest.Item1; //returns 13