Am I missing something??

Advanced methods and approaches for solving Sudoku puzzles

Am I missing something??

Postby Jimmy » Tue Dec 13, 2005 10:54 pm

Hi there. I was wondering if any of you experts could point me in the right direction with this 'medium' puzzle.

ORIGINAL

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


I have got this far and seem to be stuck. I can take an arbitrary cell and work it out but I don't want to.....well not just yet.

CURRENT POSITION

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


Am I missing something obvious or is this more sinister? Please help, it is driving me insane!!

Thanks
Jimmy
 
Posts: 2
Joined: 13 December 2005

Postby rubylips » Tue Dec 13, 2005 10:57 pm

Think about where the value 2 could go in Column 6.
rubylips
 
Posts: 149
Joined: 01 November 2005

Postby Jimmy » Tue Dec 13, 2005 11:02 pm

I don't believe it. It's soooo obvious when someone else points it out.

Thanks, you're a star!
Jimmy
 
Posts: 2
Joined: 13 December 2005


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