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Jul 7 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania

PostPosted: Thu Jul 07, 2016 10:26 am    Post subject: Jul 7 VH Reply with quote

Code:

+-----------+---------------+-----------+
| 7   3  2  | 18   19   89  | 4  5    6 |
| 6   1  5  | 4    2    3   | 7  9    8 |
| 4   8  9  | 5    7    6   | 13 13   2 |
+-----------+---------------+-----------+
| 5   9  67 | 1678 146  2   | 1-6 1468 3 |
| 238 27 1  | 678  346  478 | 9  468  5 |
| 38  4  36 | 9    1356 58  | 2  168  7 |
+-----------+---------------+-----------+
| 9   5  78 | 3    46   47  | 68 2    1 |
| 23  27 4  | 67   8    1   | 5  36   9 |
| 1   6  38 | 2    59   59  | 38 7    4 |
+-----------+---------------+-----------+

XY-Wing 78-6 pivoted in r7c3; r4c7 <> 6; stte
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Marty R.



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

PostPosted: Thu Jul 07, 2016 3:14 pm    Post subject: Reply with quote

589 triple in c6=> -8r6c5

I missed the wing. For those of us who Iike to limit ourselves to the standard X-, XY- and XYZ-Wings, this one's a shame. There's a very nice Sashimi (aka Grouped Skyscraper) on 7 in c24=> -7r6c5, which I think solves it.
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dongrave



Joined: 06 Mar 2014
Posts: 568

PostPosted: Fri Jul 08, 2016 12:53 am    Post subject: Reply with quote

Hey Marty, the 47 pair in column 6 also removes the 8 from r5c6! Laughing
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Marty R.



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

PostPosted: Fri Jul 08, 2016 3:02 am    Post subject: Reply with quote

dongrave wrote:
Hey Marty, the 47 pair in column 6 also removes the 8 from r5c6! Laughing


Point taken. I may be old and senile, but that wasn't gonna get past me. Wink
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rmireland



Joined: 21 Sep 2013
Posts: 33
Location: New Orleans

PostPosted: Fri Jul 08, 2016 2:24 pm    Post subject: Reply with quote

There is also a hidden 159 triple in c5 that lets you set 3r5c5, but you still need an X wing on 6 or Clement's wing or another XY of 46-7 pivoted in r4c5 to solve it.
I would not have posted this, but I'm really bad at triples, especially hidden ones, so when I do find a hidden one, I just have to tell somebody.
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania

PostPosted: Fri Jul 08, 2016 3:06 pm    Post subject: Reply with quote

rmireland wrote:
There is also a hidden 159 triple in c5 that lets you set 3r5c5, but you still need an X wing on 6 or Clement's wing or another XY of 46-7 pivoted in r4c5 to solve it.
I would not have posted this, but I'm really bad at triples, especially hidden ones, so when I do find a hidden one, I just have to tell somebody.
The 1 in r4c5 destroys the 159 would be triple. If 1 was not in r4c5, it would have been a triple.
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