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"too hard" Mauricio (2008.Mar.14)

 
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Pat



Joined: 23 Feb 2010
Posts: 165

PostPosted: Wed Dec 12, 2012 11:36 am    Post subject: "too hard" Mauricio (2008.Mar.14) Reply with quote


    ..1..2..3.2..1..4.5..6..1....2..7..5.7..8..6.8..1..3....9..6..4.8..5..3.6..3..9..

    [ play ]

      27 cells given
Code:


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

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keith



Joined: 19 Sep 2005
Posts: 3173
Location: near Detroit, Michigan, USA

PostPosted: Wed Dec 12, 2012 3:27 pm    Post subject: Reply with quote

Pat,

That is a pretty incredible puzzle!

Keith
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arkietech



Joined: 31 Jul 2008
Posts: 1723
Location: Northwest Arkansas USA

PostPosted: Wed Dec 12, 2012 6:01 pm    Post subject: Reply with quote

keith wrote:
Pat,

That is a pretty incredible puzzle!

Keith


Most difficult without a swordfish in your bag. Very Happy
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Marty R.



Joined: 12 Feb 2006
Posts: 5160
Location: Rochester, NY, USA

PostPosted: Thu Dec 13, 2012 12:16 am    Post subject: Reply with quote

I played two swordfish on 8 which didn't do much. I played a couple of long AICs, one each on 4 and 9 and then eliminated 3 from r3c2 because it led to an invalidity. Wouldn't want a steady diet of these things.
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arkietech



Joined: 31 Jul 2008
Posts: 1723
Location: Northwest Arkansas USA

PostPosted: Thu Dec 13, 2012 12:41 am    Post subject: Reply with quote

Takes 3 swordfishes 2,7,4 in that order to solve it. (has intervening singles)
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SudoQ



Joined: 02 Aug 2011
Posts: 127

PostPosted: Thu Dec 13, 2012 1:16 am    Post subject: Reply with quote

r7c5<>2
r8c3<>7
r5c4<>5

or

r9c5<>2 !

/SudoQ
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