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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Thu Feb 26, 2009 10:01 am Post subject: Set K Puzzle 68 |
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| Code: | +-----------------------+
| 7 . . | . . . | . 9 . |
| . 6 . | . 1 . | 7 . . |
| . . 9 | 6 . . | . 5 1 |
|-------+-------+-------|
| . . 6 | 3 . . | . . 9 |
| . 1 . | . 5 . | . . . |
| . . . | . . 4 | . 6 . |
|-------+-------+-------|
| . 9 . | . . . | 2 . . |
| 1 . 7 | . . 9 | . 8 5 |
| . . 3 | 7 . . | . 1 6 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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wapati
Joined: 10 Jun 2008
Posts: 472
Location: Brampton, Ontario, Canada.
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| Posted: Thu Feb 26, 2009 6:09 pm Post subject: |
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This was the most fun for me, though I missed the big fish. 
I used an ER on 2 and an xy-wing to get to a point with options.
There are 2 W-wings and an xy-wing that each solve it and there is a sky, 2-string-kite and W-wing that each wound it a bit.  |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Fri Feb 27, 2009 3:13 pm Post subject: |
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This was a fun ride 
I started with a xy-wing, then spotted an ER which opened a Kraken x-wing (which I will not try to describe by Eureka notation) and finished with coloring and a xy-wing.
Ted  |
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daj95376
Joined: 23 Aug 2008
Posts: 3854
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| Posted: Fri Feb 27, 2009 4:27 pm Post subject: |
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| tlanglet wrote: | This was a fun ride
I started with a xy-wing, then spotted an ER which opened a Kraken x-wing (which I will not try to describe by Eureka notation) and finished with coloring and a xy-wing.
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I'm glad that you enjoyed the puzzle. As for explaining a Kraken X-Wing with Nice Loop or Eureka notation, I don't recall it being done as a single chain. It was always a two-part condition, like a forcing chain (for Norm's benefit). Either the fish was true and produced an elimination, or else a chain from the Kraken fin cell produced the same elimination. |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Sat Feb 28, 2009 5:35 pm Post subject: |
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| Also a fun ride for me. It started and ended with XY-Wings. In between were two colorings on 4, a W- and XY-Wing, both with pincer transport, and an XYZ-Wing. |
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