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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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 Posted: Wed Dec 24, 2008 4:22 am Post subject: A VH+ |
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This one can be cracked with one of the recently discussed techniques.
| Code: | Puzzle: M4535555sh(17)
+-------+-------+-------+
| . 1 . | . 6 . | . 3 . |
| . 5 7 | . . 9 | 6 4 . |
| . . . | 5 3 . | . . . |
+-------+-------+-------+
| . 6 . | 3 . . | 9 . . |
| 9 . 4 | . . . | 3 . 1 |
| . . 5 | . . 1 | . 2 . |
+-------+-------+-------+
| . . . | . 5 4 | . . . |
| . 4 9 | 6 . . | 8 7 . |
| . 7 . | . 9 . | . 6 . |
+-------+-------+-------+ |
Enjoy!
Keith |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Wed Dec 24, 2008 5:47 am Post subject: |
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I was not looking for any specific pattern given the hint, but my first find was probably it.
| Quote: |
"Extended xy-wing <478> with pivot <47> in r6c7, pincer <48> in r6c5 and pseudo-cells <28> & <27> in r3c67 respectively. Delete <8> from r2c5 |
Ted  |
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daj95376
Joined: 23 Aug 2008
Posts: 3854
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| Posted: Wed Dec 24, 2008 6:11 am Post subject: |
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Same cells and elimination as Ted, but a different interpretation.
| Quote: | extended <248> XY-Wing w/pseudo-cell <24> on pivot cells [r36c7] -- as favored by Steve R.
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cgordon
Joined: 04 May 2007
Posts: 769
Location: ontario, canada
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| Posted: Wed Dec 24, 2008 4:34 pm Post subject: |
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| Too abstruse for me - but I think there was a w-wing for <28> that removes the <8> from R2C4. It don't get me nowhere though. |
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Earl
Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
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| Posted: Wed Dec 24, 2008 6:48 pm Post subject: VH+ |
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A three-step xy-chain eliminates the 8 in R2C5 and solves the puzzle.
Love those xy-chains!
Earl |
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