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May 31 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 684
Location: Dar es Salaam Tanzania

PostPosted: Wed May 30, 2012 10:22 pm    Post subject: May 31 VH Reply with quote

After the Basics
Code:

+-------------+---------------+-------------+
| 6   3  19   | 59   4   2    | 15   8  7   |
| 5-9  8  7    | 1    3   59   | 2    4  6   |
| 2   15 4    | 7    8   6    | 135  13 9   |
+-------------+---------------+-------------+
| 359 2  389  | 3589 17  1359 | 1378 6  4   |
| 4   59 3689 | 3589 167 1359 | 1378 2  135 |
| 1   7  368  | 2358 26  4    | 38   9  35  |
+-------------+---------------+-------------+
| 8   4  5    | 23   9   13   | 6    7  12  |
| 39  19 2    | 6    5   7    | 4    13 8   |
| 7   6  13   | 4    12  8    | 9    5  123 |
+-------------+---------------+-------------+
XY-Wing 39 13 19 pivoted in r9c3; r2c1<>9 solves it.
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Rocky Mozell



Joined: 28 Jul 2010
Posts: 22
Location: Boston, MA

PostPosted: Thu May 31, 2012 2:41 pm    Post subject: Reply with quote

159 xy wing pivoted at r3c2 also does it.
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George Woods



Joined: 28 Mar 2006
Posts: 233
Location: Dorset UK

PostPosted: Thu May 31, 2012 3:31 pm    Post subject: or w wing Reply with quote

the w wing based on th 59 pair and 9s in box 7 also does it, and uses almost the same numbers as the 2nd XY wing quoted!
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