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Difficult Killer Sudoku for 16 Sept 2012
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Posted on: Wed Sep 26, 2012 8:18 am

Posts: 698
Joined: Fri May 13, 2011 6:51 pm
Re: Difficult Killer Sudoku for 16 Sept 2012
pharosian wrote:
clm wrote:
Let's see: f1 = 7 is inmediate (column e); g7 + i7 = 15 (nonet 3) >>> [6,9] ...

I think you meant to say g3 + i3 = 15...

But other than that, you lay out a solid case for why this puzzle wasn't as difficult as advertised.

I missed a couple of the clues that seem so obvious once you point them out, but I did find several of them on my own. I'll be curious to hear what Patrick figures out with regard to the solver strategy.

Yes, yes, of course, I am sorry, this happens to me for doing the coordinates "in mind", I am reediting the post, thank you.

Posted on: Wed Sep 26, 2012 7:31 pm

Posts: 2238
Joined: Thu May 12, 2011 11:58 pm
Re: Difficult Killer Sudoku for 16 Sept 2012
pnm wrote:
Hm, this may mean that I'm still missing an important solving strategy in my solver
(I thought I had them all now )

It turns out it's more a matter of interpreting the results of the solver,
you're right, this puzzle is fairly straight-forward.

Thanks for the description of the solution,

Patrick

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