dailysudoku.com Forum Index dailysudoku.com
Discussion of Daily Sudoku puzzles
 
 FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 

Apr 15 VH

 
Post new topic   Reply to topic    dailysudoku.com Forum Index -> Daily Sudoku puzzles
View previous topic :: View next topic  
Author Message
Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania

PostPosted: Sat Apr 14, 2012 10:30 pm    Post subject: Apr 15 VH Reply with quote

XY-Wing 129 pivoted in r4c8; r1c2<>9 solves it.
Back to top
View user's profile Send private message AIM Address
George Woods



Joined: 28 Mar 2006
Posts: 304
Location: Dorset UK

PostPosted: Sun Apr 15, 2012 8:52 am    Post subject: does the xy wing need to be set up? Reply with quote

I used the xy wing that Clement describes, but to set it up I had to eliminate the 3 in r4c8 and that was done with a Wwing 23 acting on 2s in row 5
Back to top
View user's profile Send private message
Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania

PostPosted: Sun Apr 15, 2012 10:55 am    Post subject: Apr 15 VH Reply with quote

George Woods wrote:
I used the xy wing that Clement describes, but to set it up I had to eliminate the 3 in r4c8 and that was done with a Wwing 23 acting on 2s in row 5
After the Basics the Grid was as follows:-
Code:

+----------+----------+----------+
| 3  89  4 | 128 7 28 | 5  19 6  |
| 7  1   5 | 3   6 9  | 4  8  2  |
| 69 689 2 | 18  4 5  | 19 37 37 |
+----------+----------+----------+
| 15 29  8 | 7   3 4  | 6  12 59 |
| 15 7   3 | 9   2 6  | 18 4  58 |
| 29 4   6 | 5   8 1  | 7  23 39 |
+----------+----------+----------+
| 26 26  9 | 48  1 7  | 3  5  48 |
| 8  5   1 | 46  9 3  | 2  67 47 |
| 4  3   7 | 268 5 28 | 89 69 1  |
+----------+----------+----------+
Back to top
View user's profile Send private message AIM Address
Display posts from previous:   
Post new topic   Reply to topic    dailysudoku.com Forum Index -> Daily Sudoku puzzles All times are GMT
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum


Powered by phpBB © 2001, 2005 phpBB Group