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NP_Complete - I don't like that you're feeling that way, but I like your shaken up snowglobe analogy.
Meanwhile, I am still trying to figure out the Jenga thing. Would it be helpful, and if so when?
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'Somewhere up above the great divide
Where the sky is wide, and the clouds are few
A man can see his way clear to the light
'You have all the grace you need for today, and today is all that matters.' - Steve Austin