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Jan 12 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 685
Location: Dar es Salaam Tanzania

PostPosted: Sat Jan 11, 2014 10:39 pm    Post subject: Jan 12 VH Reply with quote

Code:

+-------------+--------+-------------+
| 1  5-9   359 | 2 7  6 | 8   39  4   |
| 8  7    6   | 3 9  4 | 5   1   2   |
| *39 4    2   | 1 8  5 | 69  369 7   |
+-------------+--------+-------------+
| 29 2569 59  | 4 56 1 | 3   7   8   |
| 4  56   1   | 7 3  8 | 69  2   59  |
| 7  3    8   | 9 56 2 | 146 456 15  |
+-------------+--------+-------------+
| #23 8    4   | 6 12 9 | 7   35  135 |
| 6  1    39  | 5 4  7 | 2   8   39  |
| 5  *29   7   | 8 12 3 | 149 49  6   |
+-------------+--------+-------------+
XY-Wing 39-23-29 pivoted in r7c1; r1c2<>9; stte.
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hughwill



Joined: 05 Apr 2010
Posts: 221
Location: Birmingham UK

PostPosted: Sun Jan 12, 2014 10:06 am    Post subject: Jan 12 VH Reply with quote

Code:

+--------------+--------+-----------+
| 1   59   359 | 2 7  6 | 8  39  4  |
| 8   7    6   | 3 9  4 | 5  1   2  |
| 349 49   2   | 1 8  5 | 69 369 7  |
+--------------+--------+-----------+
| 29  2569 59  | 4 56 1 | 3  7   8  |
| 49  4569 1   | 7 3  8 | 69 2   59 |
| 7   3    8   | 9 56 2 | 14 46  15 |
+--------------+--------+-----------+
| 23  8    4   | 6 12 9 | 7  5   13 |
| 6   1    39  | 5 4  7 | 2  8   39 |
| 5   29   7   | 8 12 3 | 14 49  6  |
+--------------+--------+-----------+

Play this puzzle online at the Daily Sudoku site

There are also two other 239 XY-Wings tucked away in boxes 4 and 7
(1 definitely comes out in one) and I suspect that the 39 W wing
in c89 is also a one stepper-(without the 'grade' button working
to confirm it I can't be bothered to finish all variants)

Hugh
(on a lazy Sunday morning)
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Clement



Joined: 24 Apr 2006
Posts: 685
Location: Dar es Salaam Tanzania

PostPosted: Sun Jan 12, 2014 3:43 pm    Post subject: Jan 12 VH Reply with quote

Also the W-Wing 59 in BOX 14 with SL 9 in col 1; r1c3<>5.
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