Tag Archives: pattern cluster

Classic 216 Bypassed and Only Extreme 132 Demoted


This post adds another bypass solving to the review of James Forest’s Classic Sudoku, Classic 216. Then a report on an update of the 10/24/17 post on Castillo’s Only Extreme 132, in which a hard, but indecisive not-both trial leads … Continue reading

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Insane 455 Colors With Pink Olive Crayons


This post explores a relationship between pattern slicing and Medusa coloring, and develops a trial based on this relationship. After extreme resistance to advanced methods, KD Insane v4 b5 n5 falls prey to a coloring cluster generated by a strong … Continue reading

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