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Oct 14 VH

 
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roaa



Joined: 18 Apr 2009
Posts: 112
Location: Sweden

PostPosted: Tue Oct 14, 2014 9:18 am    Post subject: Oct 14 VH Reply with quote

The same again: XY-Wing 458.
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hughwill



Joined: 05 Apr 2010
Posts: 414
Location: Birmingham UK

PostPosted: Tue Oct 14, 2014 11:05 am    Post subject: Reply with quote

After basics:
Code:

+-------------+---------------+----------------+
| 6   3   7   | 1458 18 14589 | 2   489  489   |
| 9   2   48  | 7    3  48    | 1   6    5     |
| 1   458 458 | 6    2  489   | 479 3489 34789 |
+-------------+---------------+----------------+
| 258 158 3   | 9    4  6     | 57  15   27    |
| 25  45  459 | 18   7  18    | 6   3459 2349  |
| 7   6   149 | 2    5  3     | 8   149  49    |
+-------------+---------------+----------------+
| 3   158 158 | 458  9  7     | 45  2    6     |
| 4   7   2   | 3    6  58    | 59  589  1     |
| 58  9   6   | 1458 18 2     | 3   7    48    |
+-------------+---------------+----------------+
Play this puzzle online at the Daily Sudoku site

Looked for other wings/chains etc apart from roaa's. Couldn't see any.....
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yeoks



Joined: 16 May 2010
Posts: 33

PostPosted: Tue Oct 14, 2014 1:27 pm    Post subject: Reply with quote

Hugh,

Look at C9
X wing on 8 in C59 also solves.
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hughwill



Joined: 05 Apr 2010
Posts: 414
Location: Birmingham UK

PostPosted: Wed Oct 15, 2014 9:40 am    Post subject: Reply with quote

What I meant of course is: after some basics..... Embarassed
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dongrave



Joined: 06 Mar 2014
Posts: 371

PostPosted: Sat Oct 18, 2014 2:17 pm    Post subject: Reply with quote

Just in case any of you are confused (like I was), Hugh's referring to the 489 naked triple in his diagram (c9r169) which eliminates the 8 from r3c9 which opens up the 8 x-wing that yeoks had me scratching my head over for a minute there!
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