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VH090917

 
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arkietech



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

PostPosted: Sat Sep 09, 2017 5:39 am    Post subject: VH090917 Reply with quote

Code:
 *-----------*
 |3..|9.1|..4|
 |...|...|8.2|
 |4.5|...|.9.|
 |---+---+---|
 |..9|32.|...|
 |.4.|...|.6.|
 |...|.45|3..|
 |---+---+---|
 |.6.|...|7.1|
 |8.7|...|...|
 |5..|8.6|..3|
 *-----------*


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Aj Dimonios



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

PostPosted: Sat Sep 09, 2017 6:55 am    Post subject: Reply with quote

Hi everyone


Code:

+--------------+--------------+--------------+
| 3   278  268 | 9   68  1    | 56   57  4   |
| 179 179  16  | 457 56  47   | 8    3   2   |
| 4   78   5   | 27  368 2378 | 1    9   67  |
+--------------+--------------+--------------+
| 6   5    9   | 3   2   78   | 4    1   78  |
| 27  4    3   | 17  189 789  | 25   6   578 |
| 127 1278 128 | 6   4   5    | 3    27  9   |
+--------------+--------------+--------------+
| 29  6    24  | 245 359 2349 | 7    8   1   |
| 8   3    7   | 124 19  249  | 2569 245 56  |
| 5   129  124 | 8   7   6    | 29   24  3   |
+--------------+--------------+--------------+

Play this puzzle online at the Daily Sudoku site

[(5)R1C7-(5)R1C8=(5)R8C8-(5)R8C9 and (5-6)R1C7=(6)R8C7-(6)R8C9]=>contradiction R8C9==>-5R1C7=>stte.


Ciao a Tutti
Paolo
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 434
Location: Rimini, Italy

PostPosted: Sat Sep 09, 2017 9:06 am    Post subject: Reply with quote

Hi everyone,

Code:

+--------------+--------------+--------------+
| 3   278  268 | 9   68  1    | 56   57  4   |
| 179 179  16  | 457 56  47   | 8    3   2   |
| 4   78   5   | 27  368 2378 | 1    9   67  |
+--------------+--------------+--------------+
| 6   5    9   | 3   2   78   | 4    1   78  |
| 27  4    3   | 17  189 789  | 25   6   578 |
| 127 1278 128 | 6   4   5    | 3    27  9   |
+--------------+--------------+--------------+
| 29  6    24  | 245 359 2349 | 7    8   1   |
| 8   3    7   | 124 19  249  | 2569 245 56  |
| 5   129  124 | 8   7   6    | 29   24  3   |
+--------------+--------------+--------------+

Play this puzzle online at the Daily Sudoku site

Quote:
W-Wing 5,6 in r1c7,r8c9 connected by number 5 in r5c79 and -6 in r3c9,r8c7
or
XY-Wing 2,5,7 in r16c8,r5c7 and -5 in r1c7
or
XY-Wing 5,6,7 in r1c8,r38c9 and -5 in r8c8


Ciao Gianni
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Marty R.



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

PostPosted: Sun Sep 10, 2017 12:34 am    Post subject: Reply with quote

Code:

+--------------+--------------+--------------+
| 3   278  268 | 9   68  1    | 56   57  4   |
| 179 179  16  | 457 56  47   | 8    3   2   |
| 4   78   5   | 27  368 2378 | 1    9   67  |
+--------------+--------------+--------------+
| 6   5    9   | 3   2   78   | 4    1   78  |
| 27  4    3   | 17  189 789  | 25   6   578 |
| 127 1278 128 | 6   4   5    | 3    27  9   |
+--------------+--------------+--------------+
| 29  6    24  | 245 359 2349 | 7    8   1   |
| 8   3    7   | 124 19  249  | 2569 245 56  |
| 5   129  124 | 8   7   6    | 29   24  3   |
+--------------+--------------+--------------+

Play this puzzle online at the Daily Sudoku site

M-Wing (56)

(5=6)r8c9-r8c7=(6-5)r1c7=r1c8=> -5r8c8
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