Lecture Notes on 22 Feb 2013
Solution of the Nesting Boxes Problem
* Create an empty list of boxes
* Open and read the file boxes.txt
* Read each line of input, store in a list and sort
and add to list of boxes
* Sort the list of boxes
* Get all combinations
* Test if they fit
* Store in a set of nesting boxes if they fit
* Go through the set of nesting boxes and find maximum
* Print largest set of nesting boxes