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Aug 19 VH

 
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roaa



Joined: 18 Apr 2009
Posts: 78
Location: Sweden

PostPosted: Mon Aug 19, 2013 7:16 am    Post subject: Aug 19 VH Reply with quote

The usual: An xy-wing (146) gives r4c5 = 6, which is enough.
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hughwill



Joined: 05 Apr 2010
Posts: 217
Location: Birmingham UK

PostPosted: Mon Aug 19, 2013 9:26 am    Post subject: 19 Aug VH Reply with quote

After Basics (I think):
Code:

+----------+----------+---------+
| 3   1  9 | 7  2  8  | 5 4   6 |
| 2   7  4 | 3  5  6  | 1 9   8 |
| 6   8  5 | 4  1  9  | 3 2   7 |
+----------+----------+---------+
| 7   45 2 | 15 46 3  | 8 156 9 |
| 8   3  1 | 59 69 7  | 2 56  4 |
| 45  9  6 | 2  8  14 | 7 15  3 |
+----------+----------+---------+
| 19  6  3 | 19 7  2  | 4 8   5 |
| 145 45 8 | 6  3  14 | 9 7   2 |
| 49  2  7 | 8  49 5  | 6 3   1 |
+----------+----------+---------+

Play this puzzle online at the Daily Sudoku site

Basics left a very simple diagram. Couldn't see the 146
xy wing but the 145 xy wing is yet another 'double'....it can pivot on r4c4 or r6c6.
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Marty R.



Joined: 12 Feb 2006
Posts: 5166
Location: Rochester, NY, USA

PostPosted: Mon Aug 19, 2013 3:04 pm    Post subject: Reply with quote

Quote:
Couldn't see the 146


I couldn't either.
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roaa



Joined: 18 Apr 2009
Posts: 78
Location: Sweden

PostPosted: Fri Aug 23, 2013 11:54 am    Post subject: Reply with quote

Sorry for a mistake! I meant 145!
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