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Sudoku - Unsolvable puzzles
 
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joseninguem05@gmail.com



Joined: 8 Mar 2017
Messages: 1
Offline

I recently installed your sudoku game on my Android phone and playing in Extreme mode, I have been presented several times with unsolvable puzles.
Not good. I had it installed previously and this didn't happen. What changed?
Thank you.
bobdobolino



Joined: 14 Mar 2017
Messages: 1
Offline

I have been playing for years and have never found an unsolvable puzzle.

If you find a position where you think there are no more deductions to be made, just ask for a hint or two.

If you find a position that you think could have two solutions, record the position on paper. Make two copies and try both possibilities on paper. I have always found that only on works.

I don't believe, based on extensive experience, that Genina generates unsolvable Sudoku puzzles.
 
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