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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Mon May 25, 2009 8:02 am Post subject: Set XY_03 Puzzle 006 |
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| You May Need wrote: | [r2c7]<>6 ... to get around the advanced fish
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| Code: | +-----------------------+
| 1 . . | 8 . . | 5 . . |
| . 3 5 | . . 2 | . 9 . |
| . 9 . | . . . | . . 3 |
|-------+-------+-------|
| 5 . . | 1 . . | . . . |
| . . . | . 7 8 | . 5 . |
| . 2 . | . 5 9 | . . 8 |
|-------+-------+-------|
| 7 . . | . . . | 2 8 . |
| . 1 . | . 2 . | 7 . 5 |
| . . 2 | . . 5 | . 6 . |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site
Note: This XY puzzle doesn't need an XY-Chain ... or any chain for that matter. |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Mon May 25, 2009 3:40 pm Post subject: |
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My first move was an Up/Down skyscraper on 6 in r4c69 with a extended pincer on 6: r8c6 - r8c1 = r2c1 - r1c3 = r1c9; r1c9=6; r23c7<>6
(Danny, after completing the puzzle, I checked your hint and discovered it was about this deletion. Interesting!)
The remainder of my moves were: | Quote: | multi-coloring 6,
kite 9,
xy-wing 134,
w-wing 34,
kite 3.
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Ted |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Mon May 25, 2009 4:44 pm Post subject: |
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Ted,
Isn't your 2nd step "multicoloring" just another extension on the first step skyscraper?  |
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daj95376
Joined: 23 Aug 2008
Posts: 3854
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| Posted: Mon May 25, 2009 5:28 pm Post subject: |
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[Withdrawn: rambling!]
Last edited by daj95376 on Tue May 26, 2009 3:51 pm; edited 1 time in total |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Tue May 26, 2009 12:22 am Post subject: |
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| arkietech wrote: | Ted,
Isn't your 2nd step "multicoloring" just another extension on the first step skyscraper? |
Dan, it is a holiday in the US and I have been celebrating, but I do not see how the multi-coloring is a extension of the skyscraper. I see how many of the same cells are involved, but I do not see how to "walk the chain" to make the deletion without the multi-coloring aspect. Please provide details.
Ted |
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