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Dec 9 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 657
Location: Dar es Salaam Tanzania

PostPosted: Sun Dec 08, 2013 10:20 pm    Post subject: Dec 9 VH Reply with quote

Code:

+-------------+------------+----------+
| 235 1  2347 | 247 57  9  | 34  6 8  |
| 35  47 8    | 147 567 46 | 134 9 2  |
| 6   9  *24   | 124 8   3  | 145 7 #45 |
+-------------+------------+----------+
| 9   8  56   | 3   4   7  | 56  2 1  |
| 7   3  46   | 5   2   1  | 46  8 9  |
| 1   *24 45-2  | 6   9   8  | 7   3 #45 |
+-------------+------------+----------+
| 23  27 237  | 9   1   5  | 8   4 6  |
| 8   5  9    | 47  367 46 | 2   1 37 |
| 4   6  1    | 8   37  2  | 9   5 37 |
+-------------+------------+----------+
W-Wing 24 in BOX 14 with SL 4 in col 9; r6c3<>2; stte.
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hughwill



Joined: 05 Apr 2010
Posts: 167
Location: Birmingham UK

PostPosted: Sun Dec 08, 2013 11:39 pm    Post subject: Dec 9 VH Reply with quote

After basics:
Code:

+------------+------------+-----------+
| 235 1  37  | 247 57  9  | 345  6 8  |
| 35  47 8   | 147 567 46 | 1345 9 2  |
| 6   9  24  | 124 8   3  | 145  7 45 |
+------------+------------+-----------+
| 9   8  56  | 3   4   7  | 56   2 1  |
| 7   3  46  | 5   2   1  | 46   8 9  |
| 1   24 245 | 6   9   8  | 7    3 45 |
+------------+------------+-----------+
| 23  27 37  | 9   1   5  | 8    4 6  |
| 8   5  9   | 47  367 46 | 2    1 37 |
| 4   6  1   | 8   37  2  | 9    5 37 |
+------------+------------+-----------+


Play this puzzle online at the Daily Sudoku site

The hidden pair 37 in c3 allows for a 357 XY-Wing 1 step solution
in r12.
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Marty R.



Joined: 12 Feb 2006
Posts: 5126
Location: Rochester, NY, USA

PostPosted: Mon Dec 09, 2013 5:03 am    Post subject: Reply with quote

I couldn't find any of the standard VH moves, such as your XY-Wing. Now I know why; I screwed up the basics. Embarassed
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