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 

Jun 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: 1110
Location: Dar es Salaam Tanzania

PostPosted: Mon Jun 20, 2011 11:13 pm    Post subject: Jun 21 VH Reply with quote

Three XY-Wings:-
XY-Wing 57 37 35 pivoted in r1c2 sets r89c3<>5 followed by
XY-wing 35 57 37 pivoted in r9c2 sets r1c1<>3 followed by
XY-Wing 13 15 35 pivoted in r9c8 sets r6c9<>3.
Any one with a single steper?
Back to top
View user's profile Send private message AIM Address
prakash



Joined: 02 Jan 2008
Posts: 67
Location: New Jersey, USA

PostPosted: Wed Jun 22, 2011 12:05 am    Post subject: Reply with quote

Two Sashimi X wing (skyscraper) in 3 and in 5 solves the puzzle. Still looking for the single stepper.
-PJ
Back to top
View user's profile Send private message
kragzy



Joined: 01 May 2007
Posts: 112
Location: Australia

PostPosted: Wed Jun 22, 2011 12:51 am    Post subject: Reply with quote

I must be missing something here. I saw the first two XY wings mentioned by Clement, which gave me the following grid.

[code]
+--------------+----------+------------------+
| 17 37 6 | 89 24 5 | 1349 1237 134789 |
| 157 9 8 | 6 24 3 | 145 127 147 |
| 2 4 35 | 89 7 1 | 359 6 389 |
+--------------+----------+------------------+
| 579 1 2 | 4 3 8 | 6 57 579 |
| 4 8 39 | 5 6 7 | 139 13 2 |
| 6 357 357 | 2 1 9 | 8 4 357 |
+--------------+----------+------------------+
| 39 6 1349 | 7 5 2 | 134 8 134 |
| 35 2 34 | 1 8 46 | 7 9 3456 |
| 8 57 147 | 3 9 46 | 2 15 1456 |
+--------------+----------+------------------+

I presume the third XY wing depends on R8C9 being 35. How do I get rid of the 4 and 6? I'm sure it's obvious to all (but me!).

Thanks
Back to top
View user's profile Send private message
kragzy



Joined: 01 May 2007
Posts: 112
Location: Australia

PostPosted: Wed Jun 22, 2011 12:51 am    Post subject: Reply with quote

Sorry, I'll try copying the grid again.

Code:

+--------------+----------+------------------+
| 17  37  6    | 89 24 5  | 1349 1237 134789 |
| 157 9   8    | 6  24 3  | 145  127  147    |
| 2   4   35   | 89 7  1  | 359  6    389    |
+--------------+----------+------------------+
| 579 1   2    | 4  3  8  | 6    57   579    |
| 4   8   39   | 5  6  7  | 139  13   2      |
| 6   357 357  | 2  1  9  | 8    4    357    |
+--------------+----------+------------------+
| 39  6   1349 | 7  5  2  | 134  8    134    |
| 35  2   34   | 1  8  46 | 7    9    3456   |
| 8   57  147  | 3  9  46 | 2    15   1456   |
+--------------+----------+------------------+

Play this puzzle online at the Daily Sudoku site
Back to top
View user's profile Send private message
Marty R.



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

PostPosted: Wed Jun 22, 2011 1:23 am    Post subject: Reply with quote

kragzy wrote:
Sorry, I'll try copying the grid again.

Code:

+--------------+----------+------------------+
| 17  37  6    | 89 24 5  | 1349 1237 134789 |
| 157 9   8    | 6  24 3  | 145  127  147    |
| 2   4   35   | 89 7  1  | 359  6    389    |
+--------------+----------+------------------+
| 579 1   2    | 4  3  8  | 6    57   579    |
| 4   8   39   | 5  6  7  | 139  13   2      |
| 6   357 357  | 2  1  9  | 8    4    357    |
+--------------+----------+------------------+
| 39  6   1349 | 7  5  2  | 134  8    134    |
| 35  2   34   | 1  8  46 | 7    9    3456   |
| 8   57  147  | 3  9  46 | 2    15   1456   |
+--------------+----------+------------------+

Play this puzzle online at the Daily Sudoku site

You need to take care of those locked 3s in c1.
Back to top
View user's profile Send private message
kragzy



Joined: 01 May 2007
Posts: 112
Location: Australia

PostPosted: Wed Jun 22, 2011 1:29 am    Post subject: Reply with quote

Ahhhhhhhhhhhhhhhhhhhhhhh.

Thanks Marty
Back to top
View user's profile Send private message
cgordon



Joined: 04 May 2007
Posts: 769
Location: ontario, canada

PostPosted: Wed Jun 22, 2011 2:01 pm    Post subject: Reply with quote

For a wingless two-step solution, I used a Type 4 UR (89) and an ER on 5.
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