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VH082217

 
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arkietech



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

PostPosted: Tue Aug 22, 2017 8:00 am    Post subject: VH082217 Reply with quote

Code:
 *-----------*
 |7.6|2..|1..|
 |..8|...|.6.|
 |421|..6|..3|
 |---+---+---|
 |...|63.|...|
 |..4|...|9..|
 |...|.47|...|
 |---+---+---|
 |1..|7..|684|
 |.6.|...|2..|
 |..2|..5|7.9|
 *-----------*


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Aj Dimonios



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

PostPosted: Tue Aug 22, 2017 11:49 am    Post subject: Reply with quote

Hi everyone


Code:

+---------+--------------+------------+
| 7 3  6  | 2   58   4   | 1  9   58  |
| 5 9  8  | 13  7    13  | 4  6   2   |
| 4 2  1  | 589 589  6   | 58 7   3   |
+---------+--------------+------------+
| 2 18 59 | 6   3    189 | 58 4   7   |
| 3 7  4  | 58  1258 128 | 9  15  6   |
| 6 18 59 | 589 4    7   | 3  2   158 |
+---------+--------------+------------+
| 1 5  3  | 7   29   29  | 6  8   4   |
| 9 6  7  | 4   18   138 | 2  135 15  |
| 8 4  2  | 13  6    5   | 7  13  9   |
+---------+--------------+------------+

Play this puzzle online at the Daily Sudoku site

-8R6C4 and -8R4C6 (locked candidates).

Two solutions after basics.

[(5)R1C9-(5=1)R8C9 and (5)R1C9-(5=8)R1C5-(8=1)R8C5]=>contradiction two singles 1 in line 8=>-5R1C9=>stte.
or
[(5)R3C5-(5)R1C5=(5)R1C9-(5)R3C7=(5)R4C7-(5)R4C3=(5)R6C3-(5)R6C4 and (5-9)R3C5=(9)R3C4-(9)R6C4]=>contradiction R6C4==>-5R3C5=>stte.
Ciao a Tutti
Paolo
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 524
Location: Rimini, Italy

PostPosted: Tue Aug 22, 2017 12:54 pm    Post subject: Reply with quote

Hi everyone,

Code:

+---------+--------------+-----------+
| 7 3  6  | 2   58   4   | 1  9   58 |
| 5 9  8  | 13  7    13  | 4  6   2  |
| 4 2  1  | 589 589  6   | 58 7   3  |
+---------+--------------+-----------+
| 2 18 59 | 6   3    19  | 58 4   7  |
| 3 7  4  | 58  1258 128 | 9  15  6  |
| 6 18 59 | 59  4    7   | 3  2   18 |
+---------+--------------+-----------+
| 1 5  3  | 7   29   29  | 6  8   4  |
| 9 6  7  | 4   18   138 | 2  135 15 |
| 8 4  2  | 13  6    5   | 7  13  9  |
+---------+--------------+-----------+

Play this puzzle online at the Daily Sudoku site

some solutions

W-Wing 1,8 in r6c9, r8c5 connected by number 8 in r1c59 and -1 in r8c9
or
XY-Wing 1,5,8 in r1c9, r8c59 and -8 in r1c5
or
XY-Wing 1,5,8 in r1c5, r8c59 and -5 in r1c9
or
Skyscraper with number 1 in r68c9, r58c5 and -1 in r5c8

Ciao Gianni
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Marty R.



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

PostPosted: Tue Aug 22, 2017 1:22 pm    Post subject: Reply with quote

Code:

+---------+--------------+-----------+
| 7 3  6  | 2   58   4   | 1  9   58 |
| 5 9  8  | 13  7    13  | 4  6   2  |
| 4 2  1  | 589 589  6   | 58 7   3  |
+---------+--------------+-----------+
| 2 18 59 | 6   3    19  | 58 4   7  |
| 3 7  4  | 58  1258 128 | 9  15  6  |
| 6 18 59 | 59  4    7   | 3  2   18 |
+---------+--------------+-----------+
| 1 5  3  | 7   29   29  | 6  8   4  |
| 9 6  7  | 4   18   138 | 2  135 15 |
| 8 4  2  | 13  6    5   | 7  13  9  |
+---------+--------------+-----------+

Play this puzzle online at the Daily Sudoku site

Fun one

Quote:
M-Wing (58) (8=5)r5c4-r5c8=(5-8)r4c7=r3c7=> -8r3c4

-or- Kite (1) with transport 1r5c5=r8c5-r9c4=r9c8-r8c9=r6c9=> -1r5c8
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