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Aug 25 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania

PostPosted: Sun Aug 24, 2014 9:58 pm    Post subject: Aug 25 VH Reply with quote

Code:

+------------+----------+----------+
| 489-7 6  *79 | 2   5  3 | 489 1 89 |
| 458  2  15 | 178 17 9 | 458 3 6  |
| #59   18 3  | 18  4  6 | 59  7 2  |
+------------+----------+----------+
| *57   57 6  | 3   8  1 | 2   9 4  |
| 89   18 19 | 4   2  5 | 3   6 7  |
| 3    4  2  | 6   9  7 | 1   8 5  |
+------------+----------+----------+
| 1    3  57 | 579 6  2 | 789 4 89 |
| 2    9  8  | 17  17 4 | 6   5 3  |
| 6    57 4  | 59  3  8 | 79  2 1  |
+------------+----------+----------+
XY-Wing 59-7 pivoted in r3c1; r1c1<>7; stte.
Also UR 17 in r28c45; r2c4<>17.
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williamholiday



Joined: 01 Apr 2011
Posts: 28
Location: Connecticut USA

PostPosted: Mon Aug 25, 2014 1:34 pm    Post subject: Reply with quote

I used xy-wing 159 p:r2c3 r5c1<>9
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Marty R.



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

PostPosted: Mon Aug 25, 2014 2:51 pm    Post subject: Re: Aug 25 VH Reply with quote

Clement wrote:
Code:

+------------+----------+----------+
| 489-7 6  *79 | 2   5  3 | 489 1 89 |
| 458  2  15 | 178 17 9 | 458 3 6  |
| #59   18 3  | 18  4  6 | 59  7 2  |
+------------+----------+----------+
| *57   57 6  | 3   8  1 | 2   9 4  |
| 89   18 19 | 4   2  5 | 3   6 7  |
| 3    4  2  | 6   9  7 | 1   8 5  |
+------------+----------+----------+
| 1    3  57 | 579 6  2 | 789 4 89 |
| 2    9  8  | 17  17 4 | 6   5 3  |
| 6    57 4  | 59  3  8 | 79  2 1  |
+------------+----------+----------+
XY-Wing 59-7 pivoted in r3c1; r1c1<>7; stte.
Also UR 17 in r28c45; r2c4<>17.


XY-Wing (79-5), pivot r1c3=>r2c3<>5
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