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Sat Tel 16/9 Sudoku Teaser

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Aperio | 23:42 Wed 20th Sep 2006 | Quizzes & Puzzles
4 Answers
Has any one solved this Sudoku?

The Sudoko assistant at http://www.divingforbananas.com/sudoku/assista nt.php
says:
Unsolvable With This Logical Solver
Sorry - I can't think of anything you haven't already done!
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I have solved it aperio. Can i give you a couple of lines as starters ? K
Question Author
K

Both the assistant and I are stuck at the same point. I can not work out the strategy to go any further. The numbers thus far vare correct.The centre three row are entirely complete. These are the numbers so far:
?4?796?51
759321468
?1654879?
49?8126??
?2?637?4?
???459?1?
?8417352?
5?29841??
?7?265?8?

I'll email the missing strategy to the designer of the assistant.

Many thanks Aperio







Aperio

843 796 251
759 321 468
216 548 793
495 812 637
128 637 945
367 459 812
684 173 529
532 984 176
971 265 384

Cheers K
Question Author
K, Many thanks for the solution.

But how did you get from where I am to the answer?

Did you use the "Y wing stategy" suggested by MM?

Or did you spot a "forced chain"?

Many thanks
Aperio

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Sat Tel 16/9 Sudoku Teaser

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