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  Topic: Mar 20 VH
xgameguy

Replies: 4
Views: 6511

PostForum: Daily Sudoku puzzles   Posted: Mon Mar 21, 2011 5:15 pm   Subject: Mar 20 VH
I too found the xy wing, but it didn't solve the puzzle for me. What am I missing? Here's what I have:

+-----------------+------------+---------------+
| 4567 467 5679 | 69 1 8 | 2379 3567 ...
  Topic: Necessary and sufficient set of solving techniques
xgameguy

Replies: 6
Views: 19040

PostForum: Solving techniques, and terminology   Posted: Thu Jan 20, 2011 6:31 pm   Subject: Necessary and sufficient set of solving techniques
Keith,
Thanks for the response. If VH puzzles are preselected to be solvable with the smplest of the wing techniques, it makes sense that they would all be solvable with those techniques!!!

I see ...
  Topic: Necessary and sufficient set of solving techniques
xgameguy

Replies: 6
Views: 19040

PostForum: Solving techniques, and terminology   Posted: Thu Jan 20, 2011 4:53 am   Subject: Necessary and sufficient set of solving techniques
I have only been doing VH puzzles for about a month, but have done dozens in that time. The many, sometimes complex techniques are interesting, but my scientific mind is more interested in the " ...
 
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