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  Topic: Jan 10 VH
Big Bill

Replies: 7
Views: 25557

PostForum: Daily Sudoku puzzles   Posted: Sun Jan 10, 2010 7:55 pm   Subject: Jan 10 VH
Ema,
You actually have a few more of the "basics" that would make your puzzle a little clearer. The two 9 in block 7 will eliminate the 9 from R1C2. This will make the xy wing in blo ...
  Topic: July 28 VH
Big Bill

Replies: 7
Views: 31522

PostForum: Daily Sudoku puzzles   Posted: Tue Jul 28, 2009 3:32 pm   Subject: July 28 VH
It was a one step xy wing for me in Block 1 and 2.

The 14-45-15 xy wing removes the 1 from R1C5 and R2C1.
  Topic: 29 May 2007 VH Help
Big Bill

Replies: 16
Views: 78894

PostForum: Daily Sudoku puzzles   Posted: Fri Jun 01, 2007 7:09 am   Subject: 29 May 2007 VH Help
Marty,
Thanks for the excellent explanation. I see exactly what you are talking about and the logic behind it.
And thanks to Ronny for the additional clarification.

Now another new t ...
  Topic: 29 May 2007 VH Help
Big Bill

Replies: 16
Views: 78894

PostForum: Daily Sudoku puzzles   Posted: Thu May 31, 2007 5:43 pm   Subject: 29 May 2007 VH Help
Steve and Marty,
Those are two techniques that I have not seen before. I am familiar with the XY and XYZ wings but I have not seen a pivoted XY wing. I can follow your explaination but do you ...
  Topic: 29 May 2007 VH Help
Big Bill

Replies: 16
Views: 78894

PostForum: Daily Sudoku puzzles   Posted: Wed May 30, 2007 3:38 pm   Subject: 29 May 2007 VH Help
I am stuck. Did anyone get a solution for the 29 May VH.

This is where I am and the hint suggests a 2 in C1, C5.

[code]
+------------+--------------+------------+
| 4 6 78 | 27 28 3 ...
 
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