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Set G Puzzle 30

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Mon Dec 15, 2008 12:33 am    Post subject: Set G Puzzle 30 Reply with quote
Another one that you shouldn't over-think, but isn't trivial.

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

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: Mon Dec 15, 2008 3:20 am    Post subject: Reply with quote
Still working, but I have
Quote:
A UR on <23> then another Type 3? (the pseudo-cell kind) 6-cell DP on <23>


Last edited by keith on Mon Dec 15, 2008 10:11 pm; edited 1 time in total
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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Mon Dec 15, 2008 4:29 am    Post subject: Reply with quote
Quote:
UR 23, x-wing 4, xy-wing 4,5,8
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Mon Dec 15, 2008 3:29 pm    Post subject: Reply with quote
Well, I really, really struggled on this one. The naked quads were my nemesis.

After completing the puzzle, I read the other posts prior to submitting my comments and noted that I seemed to follow the same path as Keith and Norm. However, I also used a transported pincer to get another deletion from the xy-wing, which may not have really be required to finish the puzzle.

Ted
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Mon Dec 15, 2008 7:52 pm    Post subject: Reply with quote
I used six steps: Type 1 UR on 23, XY-Wing on 458, two ERs on 4, Hidden UR on 15, X-Wing on 4 and an XY-Wing with pincer transport on 584.

Just the kind of bend-but-don't-break puzzle that I enjoy.
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