Tag Archives: basic trace

Hard Beware 125 Bypass

This post continues the review of 10 pre-selected Beware! Very Challenging puzzles from Will Shortz’ volume 1 of Hard Sudoku, with Beware 125. The review is a Sysudoku Basic Clinic, all being solved before candidates are completed and advanced methods … Continue reading

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A Bridge Over Insane 485

Insane v.4 b.8 n.5, the eighth puzzle of a review of the KrazyDad Insane collection on http://www.krazydad.com,  had little left after Sysudoku basic solving.  XY chain ANL and a coloring bridge, supported by a cloud of bi-value cells, finishes it … Continue reading

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