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« Play Ball! | Main | Back to the Future on a Quad Cane »

04/09/2013

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Dean

You could really challenge yourself here, I haven't even tried this one, my sudoku skills took quite a fall from the stroke.
Mathematicians create "Richter scale" of Sudoku difficulty.
http://www.cbsnews.com/8301-205_162-57489180/mathematicians-create-richter-scale-of-sudoku-difficulty/
google platinum blonde sudoku to get what the puzzle looks like.
Enjoy

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