Tag Archives: forcing chain seeing

Painting a World’s Hardest BARN

This post ends the review of World’s Hardest Sudoku Book with its Very Hard 134.  The puzzle is not all that hard, but does allow solution in a very pleasing way, for me, at least. Right after a basic with … Continue reading

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More 8-Pattern Trials on Unsolvable 190

This post continues  the resolution of the 8-patterns of Unsolvable 190 to a conclusion.  In the previous post, setup for the  double exocet solution was defined by a chute lettering table.  A freeform enumeration on the 8-panel divided six patterns … Continue reading

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