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Puzzle 10/04/04 (A)

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854

PostPosted: Sun Apr 04, 2010 4:37 pm    Post subject: Puzzle 10/04/04 (A) Reply with quote

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

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Marty R.



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

PostPosted: Mon Apr 05, 2010 4:38 am    Post subject: Reply with quote

Three or three and one-half steps, depending on what counts as a step. Laughing

Quote:
W-Wing (28 )
W-Wing (16)
XY-Wing (146) plus pincer transport
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

PostPosted: Mon Apr 05, 2010 7:40 am    Post subject: Reply with quote

Two steps:
Quote:
(2=8)r1c9-r1c8=r9c8-(8=2)r9c1-r1c1=r3c3; r1c1,r3c789<>2
XY-Wing 146 r8c4<>6
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Mogulmeister



Joined: 03 May 2007
Posts: 1151

PostPosted: Mon Apr 05, 2010 10:21 am    Post subject: Reply with quote

A nice "unchained melody" in 2 parts:

Quote:
1.XY Wing <146> in blocks 7 and 8
2.Colouring on 2s removing 2 from r1c1
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills

PostPosted: Mon Apr 05, 2010 1:05 pm    Post subject: Reply with quote

Very similar to the two steps by Dan.

Quote:
(2)r3c7 - (2=8)r1c9 - r8c9 = (8-9)r8c1 = r8c3 - (9=2)r3c3; r3c7<>2,
xy-wing 14-6 with vertex in r8c5.

Ted
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