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Feedback and Questions

I've received a lot of interesting comments and questions from Sudoku fans over the last few years and this page is where I try to answer them. I'm also directing Str8ts feedback here. Please feel free to drop me a note on the side of the page. Or you can email me directly at andrew@str8ts.com.

Post a Comment or Question here...

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Any Sudoku you want to publish here for easy loading into the solver - 81 characters, use '.' or '0' for unknowns.

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	private - email comment/question directly to Andrew Stuart, don't display here

Comment, question or feedback:

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If you are writing to alert me of a problem (thank-you!) please include a url to the page in question.
Can get fixes in quicker if I know immediately where to go.

Many thanks to all the people who have helped improve the solvers and strategies with their feedback!

Thursday 4-Jan-2024

... by: J, Portugal

Since some days ago the mini str8ts only shows a black square, not showing the challenge

Andrew Stuart writes:

Restocked now!
Cheers
Andrew

Monday 1-Jan-2024

... by: Tim, USA

Would it be possible to add a button to the solver to display the current puzzle state in your new notation? It would make it easier to provide you with the exact board condition we have a question on.

You might have to assume all singles are givens.

Andrew Stuart writes:

Yes, use [Email This Board] - now shows both formats

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2015	2014	2013	2012	2011	2010	2009	2008	2007	2006

Thank-you everyone for all your questions and contributions.