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Set A Puzzle 27

 
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Fri Nov 28, 2008 10:35 pm    Post subject: Set A Puzzle 27 Reply with quote

Swordfish Alert:

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

Play this puzzle online at the Daily Sudoku site
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tlanglet



Joined: 17 Oct 2007
Posts: 2461
Location: Northern California Foothills

PostPosted: Sat Nov 29, 2008 1:45 am    Post subject: Reply with quote

I believe that a one-stepper is all that is necessary.
Quote:
w-wing on <16> with strong link on <6> in r7

Ted
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keith



Joined: 19 Sep 2005
Posts: 3184
Location: near Detroit, Michigan, USA

PostPosted: Sat Nov 29, 2008 2:59 am    Post subject: Reply with quote

tlanglet wrote:
I believe that a one-stepper is all that is necessary.
Quote:
w-wing on <16> with strong link on <6> in r7

Ted
Ted,
Nice find! Note that there are two eliminations.

By the way, the swordfish / jellyfish (on <8>) does not solve it.

There are other things going on: A UR and a couple of DP possibilities ...

Keith
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tlanglet



Joined: 17 Oct 2007
Posts: 2461
Location: Northern California Foothills

PostPosted: Sat Nov 29, 2008 4:40 am    Post subject: Reply with quote

keith wrote:

Nice find! Note that there are two eliminations.

By the way, the swordfish / jellyfish (on <8>) does not solve it.

Keith

Yes, I noticed the two possible skyscrapers. I was definitely not looking for a one-stepper, but just doing my normal sequence of working on single digit techniques first and hit the winner.

Ted
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