Tag Archives: Sudoku symmetries

Hidden Candidates of Hidden Logic


This post calls out the useless reporting scheme in place throughout The Hidden Logic of Sudoku, with a checkpointed hidden triple example that sysudokies have solved as homework. The Akron Tournament final checkpoint is at the end of this report. … Continue reading

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Hidden Logic Symmetries of THLS


This post explains SudoRules’ complementary grid transformations that, as The Hidden Logic of Sudoku demonstrates in many Royle 17 examples,  converts hidden line subsets into naked line subsets, and box subsets into line subsets. Of possibly more interest to sysudokies, … Continue reading

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