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May 16 VH

 
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Marty R.



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

PostPosted: Sat May 16, 2015 5:20 am    Post subject: May 16 VH Reply with quote

Where's Clement when you need him? It's a dirty job, but someone's gotta do it.

Code:

+----------+-----------+------------+
| 147 3  8 | 6  147 9  | 5   14 2   |
| 9   14 2 | 5  8   3  | 6   14 7   |
| 147 5  6 | 14 147 2  | 8   9  3   |
+----------+-----------+------------+
| 6   14 3 | 14 9   7  | 2   8  5   |
| 8   9  7 | 2  6   5  | 4   3  1   |
| 14  2  5 | 8  3   14 | 79  67 69  |
+----------+-----------+------------+
| 3   6  4 | 7  2   18 | 19  5  89  |
| 2   78 1 | 9  5   48 | 37  67 468 |
| 5   78 9 | 3  14  6  | 137 2  48  |
+----------+-----------+------------+

Play this puzzle online at the Daily Sudoku site

XY-WING (14-8), pivot r9c5=>r7c9<>8
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George Woods



Joined: 28 Mar 2006
Posts: 304
Location: Dorset UK

PostPosted: Sat May 16, 2015 5:38 pm    Post subject: another solution Reply with quote

The w wing on 48s in boxes 8 and 9 operating on row 7 solves it. r9c5<>4
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Clement



Joined: 24 Apr 2006
Posts: 1110
Location: Dar es Salaam Tanzania

PostPosted: Sun May 17, 2015 5:54 pm    Post subject: May 16 VH Reply with quote

Marty,
Clement wanted to have a rest on wings.
O.K, what about this one?
(1=4)r9c5-(4=8)r9c9-(8=7)r9c2-(7=8)r8c2-r8c6=(8)r7c6 => -1r7c6; stte not forgetting the solved cell in your grid above 3r8c7 Very Happy
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Marty R.



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

PostPosted: Mon May 18, 2015 2:41 am    Post subject: Re: May 16 VH Reply with quote

Clement wrote:
Marty,
Clement wanted to have a rest on wings.
O.K, what about this one?
(1=4)r9c5-(4=8)r9c9-(8=7)r9c2-(7=8)r8c2-r8c6=(8)r7c6 => -1r7c6; stte not forgetting the solved cell in your grid above 3r8c7 Very Happy

Touche, that'll work regardless of my rookie mistake. Laughing
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