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VH082417

 
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Thu Aug 24, 2017 7:36 am    Post subject: VH082417 Reply with quote
Code:
 *-----------*
 |65.|3..|..7|
 |..1|...|...|
 |.97|51.|6..|
 |---+---+---|
 |...|42.|76.|
 |.7.|1.3|.8.|
 |.43|.67|...|
 |---+---+---|
 |..5|.31|97.|
 |...|...|3..|
 |7..|..5|.14|
 *-----------*


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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
PostPosted: Thu Aug 24, 2017 8:39 am    Post subject: Reply with quote
Hi everyone

Code:

+----------+-----------+-------------+
| 6  5  4  | 3  89 28  | 1  29  7    |
| 38 2  1  | 79 47 6   | 58 34  589  |
| 38 9  7  | 5  1  248 | 6  34  28   |
+----------+-----------+-------------+
| 5  1  8  | 4  2  9   | 7  6   3    |
| 29 7  6  | 1  5  3   | 4  8   29   |
| 29 4  3  | 8  6  7   | 25 259 1    |
+----------+-----------+-------------+
| 4  68 5  | 2  3  1   | 9  7   68   |
| 1  68 29 | 79 47 48  | 3  25  2568 |
| 7  3  29 | 6  89 5   | 28 1   4    |
+----------+-----------+-------------+

Play this puzzle online at the Daily Sudoku site

-8R3C6 (locked candidates).

Solution with one step after basics
AIC (9)R6C1=(9)R6C8-(9)R1C8=(9)R1C5-(9=8)R9C5-(8)R9C7=(8)R2C7-(8)R2C1=(8-3)R3C1=(3-4)R3C8=(4-2)R3C6=(2)R3C9-(2)R5C9=(2)R5C1-((9)R5C1 and (2)R6C1)=>-9R5C1 and -2R6C1=>stte.


Ciao a Tutti

Paolo
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 1020
Location: Rimini, Italy
PostPosted: Thu Aug 24, 2017 1:35 pm    Post subject: Reply with quote
Hi everyone,

Code:

+----------+----------+-------------+
| 6  5  4  | 3  89 28 | 1  29  7    |
| 38 2  1  | 79 47 6  | 58 34  589  |
| 38 9  7  | 5  1  24 | 6  34  28   |
+----------+----------+-------------+
| 5  1  8  | 4  2  9  | 7  6   3    |
| 29 7  6  | 1  5  3  | 4  8   29   |
| 29 4  3  | 8  6  7  | 25 259 1    |
+----------+----------+-------------+
| 4  68 5  | 2  3  1  | 9  7   68   |
| 1  68 29 | 79 47 48 | 3  25  2568 |
| 7  3  29 | 6  89 5  | 28 1   4    |
+----------+----------+-------------+

Play this puzzle online at the Daily Sudoku site

XY-Wing 2,5,8 in r3c9, r2c7, r6c7 and -2 in r5c9
or
UR 6,8 in r78c29 and -6 -8 in r8c9

Ciao Gianni
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Thu Aug 24, 2017 6:23 pm    Post subject: Reply with quote
Code:

+----------+----------+-------------+
| 6  5  4  | 3  89 28 | 1  29  7    |
| 38 2  1  | 79 47 6  | 58 34  589  |
| 38 9  7  | 5  1  24 | 6  34  28   |
+----------+----------+-------------+
| 5  1  8  | 4  2  9  | 7  6   3    |
| 29 7  6  | 1  5  3  | 4  8   29   |
| 29 4  3  | 8  6  7  | 25 259 1    |
+----------+----------+-------------+
| 4  68 5  | 2  3  1  | 9  7   68   |
| 1  68 29 | 79 47 48 | 3  25  2568 |
| 7  3  29 | 6  89 5  | 28 1   4    |
+----------+----------+-------------+

Play this puzzle online at the Daily Sudoku site

M-Wing (28) with transport or ordinary XY-Chain

(8=2)r3c9-r1c8=(2-8)r1c6=r8c6-r9c5=r9c7=> -8r2c7
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