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Old 31 August 2006, 21:54   #1
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Great optical illusion

http://www.johnsadowski.com/big_spanish_castle.php

Works really well - did on me anyway!!!
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Old 01 September 2006, 05:23   #2
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Very impressive, worked well on me
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Old 01 September 2006, 07:48   #3
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Very Clever.
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Old 01 September 2006, 09:08   #4
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think my eyes hurt
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Old 04 September 2006, 16:24   #5
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That's ace

Try this

count the black dots
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