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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Fri Mar 19, 2010 11:48 pm Post subject: Puzzle 10/03/19 (A) |
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An easy puzzle that can take a nasty turn if you perform the XY-Wing
| Code: | +-----------------------+
| 3 . . | . 9 5 | . . 8 |
| . 1 9 | . 6 . | 7 . . |
| . 8 2 | . . . | 6 . . |
|-------+-------+-------|
| . . . | . . 7 | . . . |
| 7 6 . | . 1 . | 9 . . |
| 2 . . | 4 . . | . 6 7 |
|-------+-------+-------|
| . 3 8 | . 7 . | 2 . . |
| . . . | . . 6 | . 3 . |
| 6 . . | . . 3 | . . 9 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Sat Mar 20, 2010 1:24 am Post subject: |
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After basics I did not see a xy-wing so I did not take the nasty turn. Instead, a simple one stepper completed the puzzle as advertised.
| Quote: | Type 1 UR 24 in r89c25 forces r8c5=5.
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Ted |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Sat Mar 20, 2010 4:37 am Post subject: |
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Same as Ted, but I'm afraid I might've tried the wing if I noticed it, in the same way that some of us have to touch something to see if the "Wet paint" sign really means what it says.  |
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