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Monthly Archives: April 2021
Ultrahardcore Review ALS-wings III
This post’s examples from UHC 179 include ALS-wings with bv cells, and uncover two essential facts about ALS value groups. This post’s examples include ALS-wings with bv cells, and uncover two essential facts about ALS value groups. Instead of following … Continue reading
Posted in Advanced Solving, Expert Reviews
Tagged ALS node AIC, ALS value groups, ALS-wing, confirming ANL
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Ultrahardcore Review ALS-wings II
The ultrahardcore ALS-wing survey continues with examples from UHC 47. The survey illustrates how ALS-wings are found as ALS are added to ALS maps. Continuing the survey into a second review puzzle UHC 47, the reward is this well laid … Continue reading
Posted in Heine, Puzzle Reviews
Tagged ALS AIC node, ALS death blossom, ALS-wings, building ALS-wings
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Building the ALS-wings of UHC 3
This post begins a review of examples of ALS-wings from the ultrahardcore review. The review will illustrate a DIY strategy for constructing them, that is compatible with the concurrent ALS mapping and ALS_XZ building processes of the previous posts. Ultrahardcore … Continue reading
Posted in Extreme Solving, Sudoku Toolware
Tagged ALS maps, ALS wings, building ALS-wings, ultrahardcore review
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