https://www.cs.odu.edu/~mln/teaching/cs595-s12/?method=display&redirect=http://gerardwayfun.com/members/maxwellpruitt5/activity/67856/
https://www.cs.odu.edu/~mln/teaching/cs595-s12/?method=display&redirect=http://gerardwayfun.com/members/maxwellpruitt5/activity/67856/