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 

Jan 21 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 Jan 20, 2013 11:12 pm    Post subject: Jan 21 VH Reply with quote
Code After Basics
Code:

+----------+-------+----------+
| 47 6  8  | 9 3 5 | 1 2  4-7  |
| 29 23 1  | 7 8 4 | 5 69 36  |
| 5  3-7 49 | 1 6 2 | 8 79 347 |
+----------+-------+----------+
| 3  5  7  | 4 9 8 | 6 1  2   |
| 6  49 49 | 2 1 3 | 7 5  8   |
| 8  1  2  | 5 7 6 | 4 3  9   |
+----------+-------+----------+
| 27 27 5  | 6 4 9 | 3 8  1   |
| 49 49 3  | 8 5 1 | 2 67 67  |
| 1  8  6  | 3 2 7 | 9 4  5   |
+----------+-------+----------+
XY-Wing 47-49-79 pivoted in r3c3; r1c9<>7, r3c2<>7 solves it.
Also same pivoted in r3c8; r1c1<>4.
Back to top
View user's profile Send private message AIM Address
hughwill



Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK
PostPosted: Mon Jan 21, 2013 9:21 am    Post subject: Jan 21 VH Reply with quote
Or the 347 XYZ wing setting r3c8 to 9 finishes it. (Someone
will also no doubt point to a BUG+1 - I've not really mastered
those but from what I understand, this puzzle has one.....)
Back to top
View user's profile Send private message
Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Mon Jan 21, 2013 4:37 pm    Post subject: Reply with quote
Yes, this puzzle has a BUG+1. Feel free to ask if you want more information. In the meantime, here is a brief explanation.

http://www.brainbashers.com/sudokubugremoval.asp
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