[racket] This is not a solution! Re: A puzzle

On Wed, Jan 19, 2011 at 02:43:40PM -0500, Doug Orleans wrote:
> The following program was a puzzle in the 2011 MIT Mystery Hunt held last
> weekend.  (I'm not linking directly to the site because they posted a
> solution and I don't want you to be tempted to look at the answer
> prematurely...)  I was disappointed that Dr Racket doesn't seem to have a
> multi-threaded stepping debugger, at least not in a form that could easily
> run this program-- correct me if I'm wrong.
> 
> I would be interested to hear what other ideas people have about solving
> this puzzle, either automatically or by hand (or some combination).  But, I
> haven't solved it myself yet, so I may be avoiding reading replies for a
> while...
> 
> --Doug

I see a lot of code, but what's the puzzle.  Presumably there's some 
kind of question that has to be answered about it?

-- hendrik