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Jun 27 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
PostPosted: Fri Jun 26, 2015 10:00 pm    Post subject: Jun 27 VH Reply with quote
Code:

+----------+---------+----------+
| 56  2  1 | 4 9  3  | 56 7   8 |
| 356 36 8 | 1 7  2  | 56 4   9 |
| 7   4  9 | 6 8  5  | 2  3   1 |
+----------+---------+----------+
| 38  13 7 | 9 12 6  | 4  28  5 |
| 2   19 4 | 7 5  18 | 3  89  6 |
| 68  69 5 | 3 24 48 | 1  289 7 |
+----------+---------+----------+
| 9   7  2 | 5 14 14 | 8  6   3 |
| 4   5  3 | 8 6  7  | 9  1   2 |
| 1   8  6 | 2 3  9  | 7  5   4 |
+----------+---------+----------+
XY-Wing 12-8 pivoted in r4c5; r5c8<>8; stte
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dongrave



Joined: 06 Mar 2014
Posts: 568
PostPosted: Tue Jun 30, 2015 1:56 am    Post subject: Reply with quote
I first spotted the 56 UR in rows 1 and 2 (which also solves it) but I could never use a UR knowing that they're not necessary to solve these VHs.
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