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 

Feb 10 VH

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



Joined: 05 Feb 2017
Posts: 868
Location: Rimini, Italy

PostPosted: Fri Feb 09, 2018 11:13 pm    Post subject: Feb 10 VH Reply with quote

Hi everyone,

Code:

+-------------+------------+------------+
| 34   7   6  | 8    1 5   | 2  34  9   |
| 5    14  8  | 9    2 34  | 13 7   6   |
| 2349 149 23 | 34   6 7   | 8  345 15  |
+-------------+------------+------------+
| 69   69  5  | 7    8 2   | 4  1   3   |
| 8    3   7  | 14   9 14  | 6  25  25  |
| 1    2   4  | 5    3 6   | 9  8   7   |
+-------------+------------+------------+
| 236  5   9  | 1236 4 138 | 7  236 128 |
| 7    8   23 | 1236 5 9   | 13 236 4   |
| 2346 46  1  | 236  7 38  | 5  9   28  |
+-------------+------------+------------+

Play this puzzle online at the Daily Sudoku site

Quote:
W-Wing 3,4 in r1c1,r3c4 connected by number 4 in r2c26 and -3 in r3c13
or
W-Wing 3,4 in r1c8,r3c4 connected by number 3 in r2c67 and -4 in r3c8
or
XY-Wing 1,3,4 in r1c8,r2c27 and -4 in r1c1
or
XY-Wing 1,3,4 in r1c1,r2c27 and -3 in r1c8


Ciao Gianni
Back to top
View user's profile Send private message
immpy



Joined: 06 May 2017
Posts: 570

PostPosted: Sat Feb 10, 2018 12:08 am    Post subject: Reply with quote

Did I spot another XY-Wing in a Very Hard?? I sure did...two of them in fact.
Take your pick 1-34 or 13-4, first one pivots @r2c2; second one pivots @r2c7.

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



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

PostPosted: Sat Feb 10, 2018 6:04 am    Post subject: Reply with quote

Code:
┌────────────────────┬────────────────────┬────────────────────┐
│   34      7      6 │    8      1      5 │    2     34      9 │
│                    │                    │                    │
│    5     14      8 │    9      2     34 │   13      7      6 │
│                    │                    │                    │
│ 2349    149     23 │   34      6      7 │    8    345     15 │
├────────────────────┼────────────────────┼────────────────────┤
│   69     69      5 │    7      8      2 │    4      1      3 │
│                    │                    │                    │
│    8      3      7 │   14      9     14 │    6     25     25 │
│                    │                    │                    │
│    1      2      4 │    5      3      6 │    9      8      7 │
├────────────────────┼────────────────────┼────────────────────┤
│  236      5      9 │ 1236      4    138 │    7    236    128 │
│                    │                    │                    │
│    7      8     23 │ 1236      5      9 │   13    236      4 │
│                    │                    │                    │
│ 2346     46      1 │  236      7     38 │    5      9     28 │
└────────────────────┴────────────────────┴────────────────────┘


Kite (1) hinged b3
1r2c2=r7c9
1r2c2-(1=34)r2c76
1r7c9-(1=528)r359c9-(8=3)r9c6-(3=4)r2c6=> 4r2c6
Back to top
View user's profile Send private message
Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy

PostPosted: Sat Feb 10, 2018 12:48 pm    Post subject: Reply with quote

Hi everyone,

[(3-4)R1C8=4R3C8-4R3C4 and 3R1C8-3R1C1=3R3C13-3R3C4]=>contradiction R3C4=Ø=>-3R1C8=>solution.

Ciao a Tutti

Paolo
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