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Monthly Archives: April 2022
Backing up to a 5-fill
Here is the Akron Beacon Journal CREATORS of 3/30/22 at the end of tracing the follow up of a 5-fill. Scanning for 5-fills is not productive. Too many, and they almost always fail. But this time, 4 of the 5 … Continue reading
Three Ways to Bypass an ABJ CREATORS
The second Akron Beacon Journal CREATORS of 3/15/22 Sudoku turned out to be a good one for comparing Sysudoku bypass solving without 3,4-fills, with 3-fills only, and with every resolvable 4-fill. Scroll back to see the givens grid above. My … Continue reading
The First Beacon Journal Gold
In the first CREATORS Gold of 3/12/22, a 4-fill created by the third clue begins a long follow up leg through a second 4-fill. A hidden dublex helps on E4. The bypass trace jumps back to continue effects lists four … Continue reading
Posted in Basic Solving Procedures
Tagged 3-fills only, 4-flls, Akron Beacon Journal, Sysudoku traces
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A Hidden Triple From Hidden Logic
Hidden pairs are rare, but hidden subsets of n > 2 are rarer still. This updated solution of Royle 17-13727, a puzzle from a large collection of puzzles of 17 givens, was an example in The Hidden Logic of Sudoku … Continue reading