When I did it, I basically had to break down to the point of making a WinForms app that I could step through the algorithm iteration by iteration, drawing out t

When I did it, I basically had to break down to the point of making a WinForms app that I could step through the algorithm iteration by iteration, drawing out the beach-line and and all the circles and edges as it progressed; I had to have that visualization to see that it was correct.