Tag Archives: grouped AIC boomerang

Cluster Maintenance Pays in Nakamoto Extreme 23


In this post, a cluster wrap interrupts the Sudokuwiki march on Nakamoto Extreme 23, with an abrupt collapse. The following post then follows the original solution through to another example of Andrew Stuart’s “digit forcing chain”, to note that human … Continue reading

Posted in Advanced Solving, Extreme Solving, Nakamoto, Puzzle Reviews, Uncategorized | Tagged , , , | Leave a comment

Metcalf’s Second Patterns Game Entry


This post reports a Sysudoku solution path for Mike’s second Patterns Game entry on a extraordinary pattern of givens. As a successful entry, I believe it had to meet the contest requirement for a simpler solution than is found here. … Continue reading

Posted in Advanced Solving | Tagged , , , | Leave a comment