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 

Sept 27 VH

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



Joined: 18 Apr 2009
Posts: 112
Location: Sweden

PostPosted: Fri Sep 27, 2013 7:34 am    Post subject: Sept 27 VH Reply with quote

Two very similar XY-wings (139) both solves it in one step.
Back to top
View user's profile Send private message
hughwill



Joined: 05 Apr 2010
Posts: 422
Location: Birmingham UK

PostPosted: Fri Sep 27, 2013 9:49 am    Post subject: Reply with quote

After basics:

Code:

+------------+-----------+---------+
| 2  147 139 | 19  6  8  | 47 5 39 |
| 79 147 8   | 5   13 2  | 47 6 39 |
| 5  6   39  | 79  37 4  | 8  2 1  |
+------------+-----------+---------+
| 16 8   2   | 167 17 9  | 5  3 4  |
| 4  5   16  | 16  8  3  | 9  7 2  |
| 3  9   7   | 2   4  5  | 6  1 8  |
+------------+-----------+---------+
| 8  2   4   | 3   5  7  | 1  9 6  |
| 79 17  169 | 8   2  16 | 3  4 5  |
| 16 3   5   | 4   9  16 | 2  8 7  |
+------------+-----------+---------+

Play this puzzle online at the Daily Sudoku site


Roaa said:
Quote:
Two very similar XY-wings (139) both solves it in one step.


....as does the less than elegant 47 UR which sets r8c2 to 7.
Back to top
View user's profile Send private message
the_lock_man



Joined: 18 Dec 2012
Posts: 40
Location: Portsmarfff, UK

PostPosted: Fri Sep 27, 2013 11:42 am    Post subject: Reply with quote

W-Wing 39 boxes 1 & 3 sets R2C1<>9
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