Tag Archives: double cluster wrap

A Pattern Trial Defeats ultrahardcore 135


This post reports on the value pattern trial of the last post, its results, and the relatively easy march to a two cluster coloring solution of Stefan Heines ultrahardcore 135. The trial starts with the three 7 clues and naked … Continue reading

Posted in Extreme Solving, Heine, Puzzle Reviews | Tagged , , , , , , | 2 Comments