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 

April 5 DB

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



Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
PostPosted: Sat Apr 05, 2008 2:43 pm    Post subject: April 5 DB Reply with quote
Today's DB flies home with an x-wing, an xy-wing, and a w-wing.

Earl


Code:

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

Play this puzzle online at the Daily Sudoku site
Back to top
View user's profile Send private message Send e-mail
nataraj



Joined: 03 Aug 2007
Posts: 1048
Location: near Vienna, Austria
PostPosted: Sat Apr 05, 2008 4:48 pm    Post subject: Reply with quote
I must have taken the rocket: flew even faster ... Very Happy

one UR (19) r49c79 solves r4c9=8 and done.

(I took an x-wing 6 r38c56 in stride. It was in the very early stages and allowed me to set r6c4=6 while still sweeping the floors. The xwing is not needed, that cell can be solved by basic techniques alone)

position after basics:
Code:

+--------------------------+--------------------------+--------------------------+
| 3       8       1        | 4       2       7        | 5       9       6        |
| 7       6       9        | 8       3       5        | 4       1       2        |
| 45      2       45       | 9       1       6        | 3       8       7        |
+--------------------------+--------------------------+--------------------------+
| 2       459     6        | 57      45789   48       | 19      3       189      |
| 48      3       7        | 2       489     1        | 6       5       89       |
| 1       59      58       | 6       589     3        | 7       2       4        |
+--------------------------+--------------------------+--------------------------+
| 458     1       458      | 57      457     9        | 2       6       3        |
| 9       7       3        | 1       6       2        | 8       4       5        |
| 6       45      2        | 3       458     48       | 19      7       19       |
+--------------------------+--------------------------+--------------------------+
Back to top
View user's profile Send private message Send e-mail Visit poster's website
keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
PostPosted: Sat Apr 05, 2008 5:20 pm    Post subject: Reply with quote
I had an XY-wing then, ignoring the UR, there are two X-wings on <4> and a skyscraper on <5>, leading to another XY-wing which solves it.

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



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sat Apr 05, 2008 6:57 pm    Post subject: Reply with quote
I started with the W-Wing on 45 in boxes 1 and 7, then Type 1 URs on 19 and 59 finished it off.
Back to top
View user's profile Send private message
storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Sun Apr 06, 2008 3:57 am    Post subject: Reply with quote
UR 19
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