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 

Oct 17 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: Sun Oct 17, 2010 12:54 am    Post subject: Oct 17 VH Reply with quote
XY-Wing 13 39 19 Pivoted in r6c9 eliminating 1 in r4c5 solves it.
Back to top
View user's profile Send private message AIM Address
kuskey



Joined: 10 Dec 2008
Posts: 141
Location: Pembroke, NH
PostPosted: Sun Oct 17, 2010 5:40 am    Post subject: Oct 17 VH Reply with quote
There is a different 139 xy-wing with pivot at r4c7 eliminating 3 at r4c8 and r6c5.
Back to top
View user's profile Send private message
keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
PostPosted: Sun Oct 17, 2010 3:26 pm    Post subject: Reply with quote
After basics:
Code:
+-------------+-------------+-------------+
| 6   25  4   | 3   7   1   | 28  9   58  |
| 1   29  239 | 4   58  58  | 6   23  7   |
| 35  7   8   | 9   2   6   | 4   1   35  |
+-------------+-------------+-------------+
| 59  589 7   | 2   13  4   | 19  38  6   |
| 2   3   1   | 68  689 89  | 7   5   4   |
| 4   689 69  | 5   13  7   | 129 238 39  |
+-------------+-------------+-------------+
| 389 4   39  | 7   89  2   | 5   6   1   |
| 7   26  256 | 1   56  3   | 89  4   89  |
| 89  1   56  | 68  4   589 | 3   7   2   |
+-------------+-------------+-------------+

A 56-8 XY-wing also solves it.

Keith
Back to top
View user's profile Send private message
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