Rick  |
Location:
Cambridge |
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  #2199
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 Tuesday, 22 February 2005 04:21 AM
I spent almost 30mins looking at it to no avail, then went to get a cup of coffee. On my way to the coffee machine it suddenly dawned on me.
At that point there was a sound of "Doh!!" followed by the sound of my hand slapping my forehead!
It is indeed a case of thinking about it in terms of a puzzle rather than looking at it in terms of numeric equations.
Nice one.
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