http://www.bridgegod.com/playprob.php?probid=215 (modified to make defence stronger)
If you don't wanna miss the play problem like my last one, where a reasonable lead spoiled it, you may want to read this tip for the bidding:
I don't really know if the line that I though was actually best, because I was kibitzing so maybe I was biased, please feel free to comment on it, you can see the diagram on the next spoiler tag: