回复：I doubt you didn't draw it follow my instruction.

OK. the square we are looking for is unique, right? So the first step that gets point H should be independent of the choice of the initial small square. Now you try two different initial small squares, do you get the same point H? No!

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• It's easy to prove H is unique whatever the small square you dra -LyingKing- ♂ (0 bytes) () 09/25/2007 postreply 09:10:32