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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Wed Nov 25, 2009 11:58 pm Post subject: Puzzle NR 09/11/25 (A) |
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| Code: | +-----------------------+
| 2 . . | . . . | 3 5 . |
| . 1 . | . . . | . . . |
| . . 3 | . 9 . | . . 1 |
|-------+-------+-------|
| . . . | 4 . . | . . 5 |
| . . 4 | . . . | 9 3 2 |
| . . . | . . 3 | . 4 . |
|-------+-------+-------|
| 5 . . | . 2 . | 8 . 9 |
| 9 . . | . 8 1 | . 7 3 |
| . . 8 | 9 3 . | 5 2 4 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Thu Nov 26, 2009 5:42 am Post subject: |
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| Can I just say "ditto" to my post about 11-23 (A)? I used a smorgasbord of moves, including a rare (for me) XYZ transport. At one point I found a triple or quad, can't remember which, but it might have been there earlier such that some of the moves weren't needed. Regardless, I enjoyed the puzzle, as usual. |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Wed Dec 02, 2009 3:14 pm Post subject: |
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I agree with Marty; it was a fun puzzle.
I used four different moves:
x-wing on 5,
skyscraper on 6,
finned x-wing on 6,
AIC found by extending the vertex of a potential xy-wing.
Ted |
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daj95376
Joined: 23 Aug 2008
Posts: 3854
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| Posted: Wed Dec 02, 2009 7:05 pm Post subject: |
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I'm glad that everyone seems to be enjoying my current batch of puzzles 
For this puzzle, my solver used:
X-Wing, Skyscraper, finned X-Wing, XYZ-Wing, and BUG+1
Given a recent comment by Keith that he prefers a puzzle that's more than basics and a single advanced step to crack it, I dedicate this puzzle to him.  |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Wed Dec 02, 2009 7:38 pm Post subject: |
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| daj95376 wrote: | I'm glad that everyone seems to be enjoying my current batch of puzzles
For this puzzle, my solver used:
X-Wing, Skyscraper, finned X-Wing, XYZ-Wing, and BUG+1
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Danny, it seems that my first three moves were those detected by your solver. The chain as my last step was the only difference. 
Ted |
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daj95376
Joined: 23 Aug 2008
Posts: 3854
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| Posted: Wed Dec 02, 2009 8:33 pm Post subject: |
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| tlanglet wrote: | Danny, it seems that my first three moves were those detected by your solver. The chain as my last step was the only difference.
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I've always had a concern that my puzzles might not have enough latitude in the solution steps to allow everyone a chance to find a solution they can call their own.
I spend a lot of time generating and reviewing puzzles. During the review process, I try to ensure that there are alternate paths to the solution without any one path breaking the puzzle. But, it's an imperfect process at best. For sure, I often miss the fact that two advanced steps are needed back-to-back ... creating a bottleneck for those solving the puzzle. For this puzzle, the finned X-Wing and the XYZ-Wing created a bottleneck. I'm glad that you and Marty had fun getting around the bottleneck
Regards, Danny |
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