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Nov 30 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
PostPosted: Mon Nov 30, 2015 10:12 am    Post subject: Nov 30 VH Reply with quote
Code:

+--------+------------+---------+
| 7  1 2 | 8  359 35  | 39 4 6  |
| 8  5 6 | 4  139 13  | 39 2 7  |
| 9  4 3 | 2  7   6   | 5  1 8  |
+--------+------------+---------+
| 24 3 7 | 9  8   14  | 6  5 12 |
| 26 8 1 | 56 35  7   | 4  9 23 |
| 46 9 5 | 16 2   134 | 7  8 13 |
+--------+------------+---------+
| 1  2 4 | 7  6   9   | 8  3 5  |
| 3  7 9 | 15 15  8   | 2  6 4  |
| 5  6 8 | 3  4   2   | 1  7 9  |
+--------+------------+---------+
XY-Wing 16-4 pivoted in r6c4; r4c1<>4; stte
XYZ-Wing 134-1 with apex in r6c6; r6c4<>1; stte
XY-Chain: (1=6)r6c4-(6=5)r5c4-(5=3)r5c5-(3=2)r5c9-(2=1)r4c9; r6c9<>1; stte
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roaa



Joined: 18 Apr 2009
Posts: 112
Location: Sweden
PostPosted: Mon Nov 30, 2015 10:29 am    Post subject: Nov 30 VH Reply with quote
One more basic move: r1c6 = 5. For those who accept UR:s, the UR39 then gives a very simple solution!
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Mon Nov 30, 2015 4:54 pm    Post subject: Reply with quote
Scanning the grid for moves, the XYZ was the first I saw and I stopped there.
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