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  Topic: May 29th very hard puzzle
geogecko

Replies: 27
Views: 122457

PostForum: Daily Sudoku puzzles   Posted: Wed Jul 05, 2006 1:14 am   Subject: May 29th very hard puzzle
Laughing Are you kidding me? How many techniques must one learn?!

The Swordfish?!

Oh, I see you have edited your post. Thanks for the links! I will surely need them for this monster...

It seems tha ...
  Topic: May 29th very hard puzzle
geogecko

Replies: 27
Views: 122457

PostForum: Daily Sudoku puzzles   Posted: Wed Jul 05, 2006 1:03 am   Subject: May 29th very hard puzzle
Do you know of a web site that explains some of the techniques you are talking about?

Thanks for the assistance!

Ah, I found your post about Unique Rectangles. Thanks!
  Topic: May 29th very hard puzzle
geogecko

Replies: 27
Views: 122457

PostForum: Daily Sudoku puzzles   Posted: Tue Jul 04, 2006 10:53 pm   Subject: May 29th very hard puzzle
Laughing This one has been the hardest one I've done so far...

So, after the 4, anyone got any logic for getting the "6" in R7C7? I have a "14568" for a possibility in that cell.


x3x|xx7|26x
xx4|25x| ...
  Topic: May 29th very hard puzzle
geogecko

Replies: 27
Views: 122457

PostForum: Daily Sudoku puzzles   Posted: Tue Jul 04, 2006 6:00 pm   Subject: May 29th very hard puzzle
Ah, I see that now. Thanks for the tip. Sometimes those are hard to find too. I like the pattern finds better, but then that's what makes them easy.
  Topic: May 29th very hard puzzle
geogecko

Replies: 27
Views: 122457

PostForum: Daily Sudoku puzzles   Posted: Tue Jul 04, 2006 4:03 am   Subject: Re: Second X-Wing
You're right, Marty -- this is probably the toughest DailySudoku puzzle yet.

After following up on the first X-Wing (and locating a "4" at r2c3) a second X-Wing emerges -- on "6"s, in columns 3 & ...
 
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