Of course it a fallacy - the total area of the constituent parts is 64, no matter how they are rearranged. But it's hard to demonstrate via email. I'm working on it. Hugh. -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.bcn.mythic-beasts.com/pipermail/bitlist/attachments/20110413/131e73fe/attachment.shtml