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Sept 16 VH

 
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Earl



Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
PostPosted: Wed Sep 16, 2009 1:45 am    Post subject: Sept 16 VH Reply with quote
Old reliable does it again.

Solution: 179 xy-wing

Early Earl
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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Wed Sep 16, 2009 8:03 pm    Post subject: Reply with quote
Code:

+-------+-------+-------+
| . . . | . . . | 9 . . |
| 1 . . | 4 8 . | . 5 7 |
| . . . | 2 . 5 | . 1 . |
+-------+-------+-------+
| . . 4 | . . 2 | 1 . . |
| 2 5 . | . 6 . | . 9 3 |
| . . 8 | 7 . . | 6 . . |
+-------+-------+-------+
| . 3 . | 6 . 8 | . . . |
| 7 2 . | . 1 3 | . . 9 |
| . . 5 | . . . | . . . |
+-------+-------+-------+

open in Andrew Stuarts online {scanraid} solver
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
PostPosted: Thu Sep 17, 2009 6:48 pm    Post subject: Sept 16 VH Reply with quote
I cannot see Earl's Old reliable. Please Earl, can you elaborate?
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nataraj



Joined: 03 Aug 2007
Posts: 1048
Location: near Vienna, Austria
PostPosted: Thu Sep 17, 2009 7:08 pm    Post subject: Reply with quote
After basics:

Code:

+--------------------------+--------------------------+--------------------------+
| 5       48      2        | 13      37      167      | 9       36      48       |
| 1       6-9     3        | 4       8       69       | 2       5       7        |
| 4689    4678-9  79*      | 2       39      5        | 348     1       468      |
+--------------------------+--------------------------+--------------------------+
| 369     679     4        | 38      359     2        | 1       78      58       |
| 2       5       17*      | 18      6       14       | 478     9       3        |
| 39      19*     8        | 7       3459    149      | 6       24      245      |
+--------------------------+--------------------------+--------------------------+
| 49      3       19       | 6       247     8        | 5       27      12       |
| 7       2       6        | 5       1       3        | 48      48      9        |
| 48      148     5        | 9       247     47       | 37      36      126      |
+--------------------------+--------------------------+--------------------------+


I liked this one because it offered some real challenges during the basics phase, like e.g. a naked quad in col. 8, before one arrives at the xy-wing.

Quite a pleasant change from the usual "easy" plus xy-wing
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