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 

AU Tough September 20, 2012(VH)

 
Post new topic   Reply to topic    dailysudoku.com Forum Index -> Other puzzles
View previous topic :: View next topic  
Author Message
arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

PostPosted: Fri Sep 21, 2012 5:21 am    Post subject: AU Tough September 20, 2012(VH) Reply with quote

Code:

 *-----------*
 |..4|..2|...|
 |...|..8|9.7|
 |3..|.7.|.8.|
 |---+---+---|
 |6..|..1|...|
 |.7.|...|.2.|
 |...|5..|..1|
 |---+---+---|
 |.3.|.9.|..4|
 |2.8|6..|...|
 |...|3..|6..|
 *-----------*
 

Play/Print this puzzle online
Back to top
View user's profile Send private message
Clement



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

PostPosted: Fri Sep 21, 2012 9:01 am    Post subject: AU Tough September 20, 2012(VH) Reply with quote

Code after Basics
Code:

+----------+-----------+------------+
| 7  8   4 | 9 5   2   | 1  #36   #36 |
| 5  6   2 | 1 3   8   | 9  4    7  |
| 3  1   9 | 4 7   6   | 2  8    5  |
+----------+-----------+------------+
| 6  249 5 | 7 24  1   | 34 *39   8  |
| 49 7   1 | 8 46  3   | 5  2    69 |
| 8  24  3 | 5 246 9   | 47 67   1  |
+----------+-----------+------------+
| 1  3   6 | 2 9   57  | 8  57   4  |
| 2  459 8 | 6 1   457 | 37 357-9 *39 |
| 49 459 7 | 3 8   45  | 6  1    2  |
+----------+-----------+------------+
W-Wing 39 in BOX 69 with SL 3 in row 1; r8c8<>9 solves it.
OR a two-step solution Hidden UR 57 in row 78; r8c6<>7 which opens a
Type 1 UR 45 in col 26; r9c2<>45.
Back to top
View user's profile Send private message AIM Address
Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

PostPosted: Fri Sep 21, 2012 4:59 pm    Post subject: Reply with quote

Code:
+-------------+-------------+--------------+
|  7    8   4 | 9  5    2   |  1  36    36 |
|  5    6   2 | 1  3    8   |  9  4     7  |
|  3    1   9 | 4  7    6   |  2  8     5  |
+-------------+-------------+--------------+
|  6    249 5 | 7  24   1   |  34 39    8  |
| F49   7   1 | 8 E46   3   |  5  2    D69 |
|  8    24  3 | 5  246  9   |  47 67    1  |
+-------------+-------------+--------------+
|  1    3   6 | 2  9    57  |  8  57    4  |
|  2    45  8 | 6  1   A457 | B37 3579 C39 |
|  4-9 G459 7 | 3  8    45  |  6  1     2  |
+-------------+-------------+--------------+


I love to monkey around with pincers on a DP. With the potential DP 45 in boxes 78, A=7 or G=9. A=7-->F=9 via ABCDEF; r9c1<>9.

Alternatively, XY-Wing 396 pivoted in r4c8.
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topic   Reply to topic    dailysudoku.com Forum Index -> Other 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