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Jul 11 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
PostPosted: Tue Jul 10, 2012 11:05 pm    Post subject: Jul 11 VH Reply with quote
After the Basics
Code:

+--------+-------------+---------+
| 7 6 8  | 14  *145 3   | 9  *45 2 |
| 3 1 49 | 249 6   259 | 45 8  7 |
| 5 2 49 | 479 -47  8   | 1  3  6 |
+--------+-------------+---------+
| 4 8 12 | 129 3   6   | 7  19 5 |
| 9 7 12 | 5   12  4   | 8  6  3 |
| 6 5 3  | 8   17  79  | 2  19 4 |
+--------+-------------+---------+
| 2 4 5  | 3   8   1   | 6  7  9 |
| 8 3 6  | 47  9   57  | 45 2  1 |
| 1 9 7  | 6   *245 25  | 3  *45 8 |
+--------+-------------+---------+
Finned x-wing on 4 in row 19; r3c5<>4 which solves it.
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Tue Jul 10, 2012 11:37 pm    Post subject: Re: Jul 11 VH Reply with quote
Clement wrote:
After the Basics
Code:

+--------+-------------+---------+
| 7 6 8  | 14  *145 3   | 9  *45 2 |
| 3 1 49 | 249 6   259 | 45 8  7 |
| 5 2 49 | 479 -47  8   | 1  3  6 |
+--------+-------------+---------+
| 4 8 12 | 129 3   6   | 7  19 5 |
| 9 7 12 | 5   12  4   | 8  6  3 |
| 6 5 3  | 8   17  79  | 2  19 4 |
+--------+-------------+---------+
| 2 4 5  | 3   8   1   | 6  7  9 |
| 8 3 6  | 47  9   57  | 45 2  1 |
| 1 9 7  | 6   *245 25  | 3  *45 8 |
+--------+-------------+---------+
Finned x-wing on 4 in row 19; r3c5<>4 which solves it.


I like the finned x-wing Very Happy

edit removal.

I did see an x-wing and kite solution. Confused

oops Embarassed I missed an x-wing xyz-wing combination solution. [edit]
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Wed Jul 11, 2012 4:30 am    Post subject: Reply with quote
I couldn't find a one-stepper using VH moves.

X-Wing (5) in r28; r9c6<>5

XY-Wing (471), pivot r3c5; r4c4<>1
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hughwill



Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK
PostPosted: Wed Jul 11, 2012 9:50 am    Post subject: Re: Jul 11 VH Reply with quote
After the X wing a Type 1 UR does the trick, and after
starting with the 147 xy wing a slightly different
Type 1 UR also works- interesting if not elegant........
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keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
PostPosted: Sat Jul 14, 2012 1:26 pm    Post subject: Reply with quote
Code:
+-------------+-------------+-------------+
| 7   6   8   | 14  145 3   | 9   45  2   |
| 3   1   49  | 249 6   259 | 45  8   7   |
| 5   2   49  | 479 47  8   | 1   3   6   |
+-------------+-------------+-------------+
| 4   8   12  | 129 3   6   | 7   19  5   |
| 9   7   12  | 5   12  4   | 8   6   3   |
| 6   5   3   | 8   17  79  | 2   19  4   |
+-------------+-------------+-------------+
| 2   4   5   | 3   8   1   | 6   7   9   |
| 8   3   6   | 47  9   57  | 45  2   1   |
| 1   9   7   | 6   245 25  | 3   45  8   |
+-------------+-------------+-------------+

I used an XY-wing -147, which reveals an X-wing on 4.

Keith
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