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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Wed Mar 17, 2010 3:34 pm Post subject: Puzzle 10/03/17 (A) |
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| Code: | +-----------------------+
| 4 . . | . . . | 7 8 . |
| . 8 . | . 2 . | . . . |
| . . 3 | 1 . 7 | . . . |
|-------+-------+-------|
| . . 4 | 7 . 8 | 3 . . |
| . 3 . | . . . | . . . |
| . . 7 | 9 . 1 | 5 4 . |
|-------+-------+-------|
| 3 . . | 5 . 9 | 6 . 8 |
| 5 . . | . . 2 | . 7 . |
| . . . | . . . | 9 . 5 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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Wendy W
Joined: 04 Feb 2008
Posts: 144
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| Posted: Thu Mar 18, 2010 12:30 am Post subject: |
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Three steps:
X-wing on 3, chain on 12, UR on 47 in boxes 7 and 8 |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Thu Mar 18, 2010 12:30 am Post subject: |
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I did the basics twice to insure I had not made a silly error since the puzzle turned over and died with one simple step.
| Quote: | Type 1 UR47 in r79c25
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Ted |
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Wendy W
Joined: 04 Feb 2008
Posts: 144
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| Posted: Thu Mar 18, 2010 12:31 am Post subject: |
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| tlanglet wrote: | I did the basics twice to insure I had not made a silly error since the puzzle turned over and died with one simple step.
| Quote: | Type 1 UR47 in r79c25
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Ted |
Wow, Ted, I guess my other two steps were superfluous. |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Thu Mar 18, 2010 1:56 am Post subject: |
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| Wendy W wrote: | | tlanglet wrote: | I did the basics twice to insure I had not made a silly error since the puzzle turned over and died with one simple step.
| Quote: | Type 1 UR47 in r79c25
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Ted |
Wow, Ted, I guess my other two steps were superfluous. |
Wendy, this once again illustrates the luck in the order you find/make your steps. I normally look at the bivalue cells immediately after basics and that is why I found the UR in this case. Luck usually plays a part in the number of steps required to complete the puzzle.
Ted |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Thu Mar 18, 2010 4:26 am Post subject: |
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| Same one-stepper as Ted. I can attest to the fact that the sequence of looking can make a huge difference. For example, I dislike searching for X-Wings/Skyscrapers, so I exhaust other possibilities. If an X-Wing or Skyscraper is a key move, then I'm likely to have used many more moves. Of course, that's just one example. |
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Wendy W
Joined: 04 Feb 2008
Posts: 144
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| Posted: Thu Mar 18, 2010 12:00 pm Post subject: |
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| Absolutely right, Ted and Marty. And I'm just the opposite: I enjoy finding X-wings so that's always one of my first steps. |
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