Tag Archives: nice loop coloring extension

The Especially Nice Loop of KD Insane 465

This post reports several features of an update of the post that introduced nice loop coloring. The illustrating nice loop was in itself remarkable. As shown already from books 1 through 5, KrazyDad’s hardest, the Insane collection, is hard enough … Continue reading

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Only Extreme 218 Straight Up

Barely escaping the bypass, Manuel Castillo’s Only Extreme 218 gets tough, and brings out some seldom used methods. This revisit of October 2022 is aided by PhilsFolly solver Beeby. An alternative trial path by Single Alternative Sue de Coq, normally … Continue reading

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