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Dec 31 2015 VH

 
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hughwill



Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK

PostPosted: Thu Dec 31, 2015 12:21 am    Post subject: Dec 31 2015 VH Reply with quote

After Basics
Code:

+-------------+------------+-----------+
| 8  6    4   | 1  9   7   | 3  2  5   |
| 2  7    1   | 5  468 3   | 69 89 48  |
| 3  5    9   | 68 468 2   | 16 7  148 |
+-------------+------------+-----------+
| 4  189  7   | 68 2   168 | 5  89 3   |
| 5  18   3   | 9  7   4   | 2  6  18  |
| 16 1289 268 | 3  5   18  | 19 4  7   |
+-------------+------------+-----------+
| 16 4    5   | 7  16  9   | 8  3  2   |
| 9  238  28  | 4  38  5   | 7  1  6   |
| 7  13   68  | 2  13  68  | 4  5  9   |
+-------------+------------+-----------+

Play this puzzle online at the Daily Sudoku site
VH Solution:
Quote:
19-8 XY-wing pivot r6c7: r4c4<>8
Or as a non-standard alternative a 18 W Wing on r56 also does it in one.
Another VH for the New Year I wonder?

Hugh
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

PostPosted: Thu Dec 31, 2015 2:56 pm    Post subject: Reply with quote

Quote:
Or as a non-standard alternative a 18 W Wing on r56 also does it in one.


So does the DP (48) in r23c59. 6r23c5=1r3c9 starts a very easy chain. In fact, it's so short it shouldn't be classified as a chain.
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