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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: 690
Joined: Fri May 13, 2011 6:51 pm
Post 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. [flapper]

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.


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




Posts: 2194
Joined: Thu May 12, 2011 11:58 pm
Post 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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