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Oct 12 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 663
Location: Dar es Salaam Tanzania

PostPosted: Fri Oct 12, 2012 12:22 am    Post subject: Oct 12 VH Reply with quote

Code:

+---------------+-----------+---------------+
| 689  3    5   | 2 489  89 | 1    7   4689 |
| 789  79   2   | 1 4789 6  | 48-9  5   3    |
| 4    1679 1-69 | 3 789  5  | 2-689 268 2-689 |
+---------------+-----------+---------------+
| 2-6   4    3   | 7 68   1  | 268  9   5    |
| 5    69   7   | 4 2    89 | 3    68  1    |
| 1269 8    169 | 5 69   3  | 7    4   26   |
+---------------+-----------+---------------+
| 169  5    169 | 8 13   4  | 29   23  7    |
| 179  179  4   | 6 13   2  | 5    38  89   |
| 3    2    8   | 9 5    7  | 46   1   46   |
+---------------+-----------+---------------+
XY-Wing 69 89 68 pivot in r5c6; r4c1<>6
X-Wing on 6 in Col 28; r3c379<>6 opens an
XYZ-Wing 289 hinged in r3c7; r2c7<>9 solves it.
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Marty R.



Joined: 12 Feb 2006
Posts: 5153
Location: Rochester, NY, USA

PostPosted: Fri Oct 12, 2012 5:03 am    Post subject: Reply with quote

Same. First three-stepper I can recall in quite some time.
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Earl



Joined: 30 May 2007
Posts: 546
Location: St Louis MO

PostPosted: Fri Oct 12, 2012 4:15 pm    Post subject: Oct 12 Reply with quote

Did I make a mistake? I did it with one xy wing, eliminating 6's.

Earl
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Marty R.



Joined: 12 Feb 2006
Posts: 5153
Location: Rochester, NY, USA

PostPosted: Fri Oct 12, 2012 11:05 pm    Post subject: Reply with quote

Hi Earl,

Long time no see. I tried that wing a couple of times and couldn't finish which, of course, doesn't prove anything.

Cheers.
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