Tag Archives: pattern color merge

Wex 431 Slips by Sue, but is Caught


Finally a Weekly Extreme gets through the Sue de Coq gauntlet. Or so I thought. But after a joyful romp into XYZ-wing technique, and coloring aided by pattern analysis, I get to demonstrate instead another resource of my single alternative … Continue reading

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Insane 425 Finishes With The Pink Olive


This post finishes the solution of KD Insane 425 review with pattern slicing, a technique also referred to as the pink olive. Before that, we attempt to answer the homework question by using patterns to merge the clusters. That doesn’t … Continue reading

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Shortz’ Ferocious Hall of Mirrors


This post recounts the solving of Beware 190, the review puzzle from Will Shortz’ collection book Ferocious Sudoku which has multiple solutions.  On another multiple solution puzzle, Frank Longo’s  Absolutely Nasty Level 4 puzzle 61(Review Snaps II 3/12/13), I used … Continue reading

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