Tag Archives: guardians

Finishing More Extreme 200

This post continues, slicing the 9 patterns of More Extreme 200, and conducting trials of the divided sets. A brief, but decisive cluster merge ends the struggle. Antoine was right. #200 is outstanding. Following a pink/olive analysis on the 9 … Continue reading

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Andrew Stuart’s Guardians

Andrew Stuart is the well regarded author of The Logic of Sudoku, and a Sudoku programmer whose solver and website are valuable aids to puzzle makers and solvers alike. In  http://www.scanraid.com , also linked as http://www.sudokuwiki.org ,  Andrew had a page … Continue reading

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