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M4303739 (27)

 
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Marty R.



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

PostPosted: Sun Jun 15, 2008 3:19 pm    Post subject: M4303739 (27) Reply with quote

Just tossing this out because I enjoyed it. Took me nine moves, although I suspect it can be done with fewer.

Code:

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

Play this puzzle online at the Daily Sudoku site
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keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA

PostPosted: Sun Jun 15, 2008 5:49 pm    Post subject: Reply with quote

Marty,

I happened to do it in six.

Keith
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Steve R



Joined: 24 Oct 2005
Posts: 289
Location: Birmingham, England

PostPosted: Sun Jun 15, 2008 5:50 pm    Post subject: Reply with quote

I thoroughly enjoyed the puzzle. No pencil marks and two W-Wings put it just up my street.

Thanks, Marty.

Steve
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Marty R.



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

PostPosted: Sun Jun 15, 2008 8:31 pm    Post subject: Reply with quote

So my number of moves was 150% of Keith's and 450% of Steve's. Hmmm. Embarassed Laughing
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keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA

PostPosted: Sun Jun 15, 2008 8:32 pm    Post subject: Reply with quote

One less step:

1. XY-wing 468
2. UR 4.
3. Swordfish 4. (Can be seen as two skyscrapers.)
4. W-wing 8.
5. W-wing 2.

Keith
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Marty R.



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

PostPosted: Mon Jun 16, 2008 1:46 am    Post subject: Reply with quote

I used an XY, XYZ, coloring, Type 4, skyscraper and four Ws. I really have no idea how to solve a puzzle in the most efficient manner. When I see a move, I play it, and when I'm done, I can be pretty confident that not all the moves were required for the solution.
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