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Puzzle 10/08/13: A

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Fri Aug 13, 2010 4:51 am    Post subject: Puzzle 10/08/13: A Reply with quote
Code:
 +-----------------------+
 | 9 . . | . . . | 8 . . |
 | . 7 5 | . . 2 | . 4 . |
 | . 2 8 | . 4 6 | 9 . 7 |
 |-------+-------+-------|
 | . . . | . . 1 | . . 4 |
 | . . 3 | . . 9 | . . . |
 | . 8 9 | 4 6 5 | . . . |
 |-------+-------+-------|
 | 8 . 7 | . . . | 4 . 1 |
 | . 9 . | . . . | . . . |
 | . . 1 | 6 . . | 7 . . |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site

Rating wrote:
VH
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sat Aug 14, 2010 5:11 am    Post subject: Reply with quote
I had a rough time with this one. XY-Chain, W-Wing (13), ERs (1,1) and two X-Wings (3,1). Then an attempted XY-Chain produced a contradiction and eliminating the offending candidate finished it off.

I imagine this should have been a one- or two-stepper.
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Sat Aug 14, 2010 7:42 am    Post subject: Reply with quote
I did two VH steps, x-wing(1) and an xy-wing(12-6).
There were a lot of basics - which to be honest I stepped through.
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sat Aug 14, 2010 1:38 pm    Post subject: Reply with quote
Quote:
There were a lot of basics - which to be honest I stepped through.

Peter, I'm sorry, but I don't quite understand this sentence. Embarassed Question
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Sat Aug 14, 2010 6:33 pm    Post subject: Reply with quote
Marty, I meant I "cheated" Exclamation and used SimpleSudoku to just get to the first non-basic move... sometime I do them and sometime I don't depending on mood and time I have.

I just noticed there was quite a lot of non-singles plays. I know you play paper/pencil so work through them all the time.
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