This Sudoku. How to solve?

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This Sudoku. How to solve?

Postby sedotilmu » Wed Sep 12, 2007 7:05 am

Image
sedotilmu
 
Posts: 1
Joined: 04 September 2007

Re: This Sudoku. How to solve?

Postby re'born » Wed Sep 12, 2007 7:55 am

Code: Select all
. . .|5 . 9|. . .
6 . .|. . .|. . 8
5 3 .|6 . .|2 . .
-----+-----+-----
. 7 .|. . 3|. 8 .
1 5 .|. . .|. 4 2
. 9 .|8 . .|. 1 .
-----+-----+-----
. . 7|. . 4|. 2 9
9 . .|. . .|. . 7
. . .|9 . 1|. . .

Perhaps you could show us where you've reached in the puzzle and then we can provide you with a hint as to the next step.
re'born
 
Posts: 551
Joined: 31 May 2007

Postby udosuk » Tue Sep 18, 2007 2:33 pm

The hardest move required for this puzzle (from Simple Sudoku) is probably a hidden pair/naked triple:

Triple click below to view the text I wrote:r1c1=7 (hidden single @ c1/b1)
r23c8={79} (hidden pair @ c8 or naked triple r189c8={356})
Singles solve the rest.
udosuk
 
Posts: 2698
Joined: 17 July 2005


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