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 

very hard II

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



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
PostPosted: Fri Jun 16, 2017 10:26 pm    Post subject: very hard II Reply with quote
Hi everyone

Code:

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

Play this puzzle online at the Daily Sudoku site

Ciao a Tutti
Paolo
Back to top
View user's profile Send private message
Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
PostPosted: Sun Jun 18, 2017 9:35 pm    Post subject: Reply with quote
Hi everyone


Code:

+----------------+--------------+---------------+
| 57  9    257   | 18  18   6   | 257  3    4   |
| 6   1378 137   | 5   2    4   | 179  179  89  |
| 458 148  1245  | 9   3    7   | 6    125  58  |
+----------------+--------------+---------------+
| 458 1348 6     | 148 158  9   | 2345 245  7   |
| 2   348  345   | 468 7    35  | 3459 4569 1   |
| 9   1347 13457 | 2   156  135 | 8    456  356 |
+----------------+--------------+---------------+
| 47  2    8     | 16  1569 15  | 3479 4679 369 |
| 3   6    9     | 7   4    8   | 15   15   2   |
| 1   5    47    | 3   69   2   | 479  8    69  |
+----------------+--------------+---------------+

Play this puzzle online at the Daily Sudoku site



7 fin X-wing (line 1, line 9, fin 7 R1C1)=>-7 R2C3
Empty rectangle( box 9 line 1)=>-7 R1C7 or discontinuous nice loop (7)R1C7-R1C1=R7C1-R7C78=R9C7-(7)R1C7=>-7 R1C7
4 fin X-wing (line 6, line 9, fin 4 R6C8)=>-4 R45C7=>-4R7C8
AIC (5)R8C8=(5)R8C7-(5=2)R1C7-(2)R3C8=NP(15)R38C8=>-5R56C8
AIC (5)R3C9=(5)R6C9-(5=6)R6C5-(6=4)R6C8- (4=2)R4C8-(2)R3C8=(2-5)R1C7=>-5R1C7
AIC (3=5)R4C7-(5)R4C1=(5-7)R1C1=(7-4)R7C1=(4-3)R7C7=(3)R7C9-(3)R6C9=>-3R6C9, -3R7C7.=>R7C9=3
Code:

+---------------+--------------+------------+
| 57  9    57   | 18  18   6   | 2   3   4  |
| 6   138  13   | 5   2    4   | 179 179 89 |
| 48  148  2    | 9   3    7   | 6   15  58 |
+---------------+--------------+------------+
| 458 1348 6    | 148 158  9   | 35  2   7  |
| 2   348  345  | 468 7    35  | 359 469 1  |
| 9   7    1345 | 2   156  135 | 8   46  56 |
+---------------+--------------+------------+
| 47  2    8    | 16  1569 15  | 479 679 3  |
| 3   6    9    | 7   4    8   | 15  15  2  |
| 1   5    47   | 3   69   2   | 47  8   69 |
+---------------+--------------+------------+

Play this puzzle online at the Daily Sudoku site


xy chain (3=5)R4C7-(5=6)R6C9-(6=9)R9C9-(9=6)R9C5-(6=1)R7C4-(1=5)R7C6-(5=3)R5C6-(3)R5C7=>-3R5C7=>R4C7=3.



XY- wing (9=5)R5C7-(5=6)R6C9-(6=9)R9C9-(9)R7C7=>-9R7C7.
NP(47)column 7=>-7R2C7,-7R7C8=>R2C8=7.


XY chain (1=3)R2C3-(3=1)R6C3-(1=3)R6C6-(3=5R5C6-(5=4)R5C3-(4=7)R9C3-(7=4)R7C1-(4=8)R3C1-(8=5)R3C9-(5=1)R3C8=>-1R2C7, -1R3C2=>stte.


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 -> 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