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Puzzle 10/02/08 (A)

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Mon Feb 08, 2010 5:50 pm    Post subject: Puzzle 10/02/08 (A) Reply with quote
Code:
 +-----------------------+
 | 4 . . | 5 . . | 1 8 . |
 | . . . | . . . | . . . |
 | . . 8 | . . . | 2 . 3 |
 |-------+-------+-------|
 | 8 . . | 7 . 5 | 9 2 . |
 | . . . | . 2 . | 3 . . |
 | . . . | 4 . 9 | 7 . . |
 |-------+-------+-------|
 | 9 . 3 | 6 5 4 | . 1 . |
 | 6 . . | 9 . . | 5 . . |
 | . . 2 | . . . | . . . |
 +-----------------------+

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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Tue Feb 09, 2010 1:47 am    Post subject: Reply with quote
My first move was fairly obvious, but then I thought I hit the brick wall before stumbling upon the second move which set up the obvious third and puzzle-ending move.

Quote:
X-Wing (1)
Finned X-Wing (5)
XY-Wing (167)
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Tue Feb 09, 2010 5:01 pm    Post subject: Reply with quote
A single step.

Quote:
xy-wing -167 with vertex r3c6, pincer 16 in r5c6 and pincer 17 a pseudocell in r39c1.

Ted
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Tue Feb 09, 2010 5:24 pm    Post subject: Reply with quote
Another single step
Code:
 
 *--------------------------------------------------------------------*
 | 4      2      679    | 5      679    3      | 1      8      679    |
 | 3      1569   15679  | 2      46789  678    | 46     45679  45679  |
 | 57     569    8      | 1      4679   67     | 2      45679  3      |
 |----------------------+----------------------+----------------------|
 | 8      346    46     | 7      36     5      | 9      2      1      |
 | 157    569    5679   | 8      2      16     | 3      456    456    |
 | 2      1356   156    | 4      136    9      | 7      56     8      |
 |----------------------+----------------------+----------------------|
 | 9      7      3      | 6      5      4      | 8      1      2      |
 | 6      148    14     | 9      178    2      | 5      3      47     |
 | 15     458    2      | 3      78     178    | 46     4679   4679   |
 *--------------------------------------------------------------------*
(5=7)r3c1 - (7=6)r3c6 - (6=1)r5c6 - (1)r5c1 = (1-5)r9c1 = (5)r9c2 => r23c2,r9c1<>5
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