Tag Archives: The Logic of Sudoku

The Logic of Aligned Triple AIC Hinges


This post takes on a challenge puzzle17 which follows the Figure 30.1 of the previous post, in Andrew Stuart’s The Logic of Sudoku.   That puzzle illustrated again the type of ANL in which the AIC hinge becomes one of the … Continue reading

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Fleshing Out Stuart’s ALS Node Figure 30.1


Andrew Stuart’s The Logic of Sudoku, in a chapter on Almost Locked Sets, presents an example of an ALS node in a confirming Almost Nice Loop, as Figure 30.1. This post fills in the solution, before and after the series … Continue reading

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