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Dec 13 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 679
Location: Dar es Salaam Tanzania

PostPosted: Wed Dec 12, 2012 10:59 pm    Post subject: Dec 13 VH Reply with quote

Code:

+------------+---------------+------------+
| 6   15  3  | 7   9    15   | 8   4   2  |
| 9   8   ^15 | 4   2    3    | 16  -15-6 7  |
| 2   7   4  | 18  1568 156  | 139 -159 *13 |
+------------+---------------+------------+
| 14  146 9  | 3   16   7    | 2   8   5  |
| 158 156 2  | 189 1568 1569 | 7   3   4  |
| 7   3   58 | 2   58   4    | 169 169 16 |
+------------+---------------+------------+
| 48  2   68 | 19  34   19   | 5   7   #36 |
| 145 145 7  | 6   34   8    | 13  2   9  |
| 3   9   ^16 | 5   7    2    | 4   *16  8  |
+------------+---------------+------------+
XY-Wing 16-36-13 pivoted in r7c9; r23c8<>1 and
W-Wing 16 in BOX 39 with SL 1 in col 3; r2c8<>6 solve it.
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hughwill



Joined: 05 Apr 2010
Posts: 199
Location: Birmingham UK

PostPosted: Thu Dec 13, 2012 10:22 am    Post subject: Dec 13 VH Reply with quote

Keeping to Marty's 'traditional' solutions, after Clement's 136
XY, a 156 XY pivot r2c3 also does the trick.
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arkietech



Joined: 31 Jul 2008
Posts: 1725
Location: Northwest Arkansas USA

PostPosted: Thu Dec 13, 2012 2:27 pm    Post subject: Reply with quote

Code:
 *-----------------------------------------------------------*
 | 6     15    3     | 7     9     15    | 8     4     2     |
 | 9     8    a15    | 4     2     3     |b16   b156   7     |
 | 2     7     4     | 18    1568  156   | 139   159  c13    |
 |-------------------+-------------------+-------------------|
 | 14    146   9     | 3     16    7     | 2     8     5     |
 | 158   156   2     | 189   1568  1569  | 7     3     4     |
 | 7     3     58    | 2     58    4     | 169   169   16    |
 |-------------------+-------------------+-------------------|
 | 48    2     8-6   | 19    34    19    | 5     7    c36    |
 | 145   145   7     | 6     34    8     | 13    2     9     |
 | 3     9    a16    | 5     7     2     | 4     1-6   8     |
 *-----------------------------------------------------------*
 als xy-wing
 (6=5)r29c3-(5=1)r2c78-(1=6)r37c9 => -6r7c3,r9c8; stte
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Rocky Mozell



Joined: 28 Jul 2010
Posts: 22
Location: Boston, MA

PostPosted: Thu Dec 13, 2012 4:34 pm    Post subject: Reply with quote

A 156 XYZ wing pivoted r2c8 making r9c3<>1 did it for me.
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Marty R.



Joined: 12 Feb 2006
Posts: 5162
Location: Rochester, NY, USA

PostPosted: Fri Dec 14, 2012 12:10 am    Post subject: Reply with quote

I also needed the two XY-Wings.

Rocky Mozell wrote:
A 156 XYZ wing pivoted r2c8 making r9c3<>1 did it for me.


Rocky, I can't see the wing. Question
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