Survey - how do people try to solve "extreme" puzz

Everything about Sudoku that doesn't fit in one of the other sections

Survey - how do people try to solve "extreme" puzz

Postby coloin » Thu Feb 07, 2008 2:01 pm

I must admit I try to avoid solving extremely hard puzzles.....
please complete the survey.
The results might be interesting !

A bivalue cell is when the pencil marks in a cell indicate a cell can have only 2 options.
A bivalue locus is when there are only 2 cells in a box where a particular clue value can go.

C
coloin
 
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