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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Tue Dec 22, 2009 7:42 pm Post subject: Puzzle XY 09/12/22 |
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Can be played as an NR or XY puzzle. Should be fun. (More difficult puzzle tomorrow.)
| Code: | +-----------------------+
| . 7 . | . . . | . . . |
| 5 . . | . 2 3 | . 4 . |
| . . . | 4 . 9 | . . 8 |
|-------+-------+-------|
| . . 5 | 8 . 7 | 1 9 . |
| . 9 . | . 4 . | . 8 . |
| . 6 8 | 9 . 1 | . . . |
|-------+-------+-------|
| . . . | 2 . . | 5 . 9 |
| . 2 . | 5 9 . | . . . |
| . . 9 | . . . | 4 . 2 |
+-----------------------+
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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: Tue Dec 22, 2009 11:13 pm Post subject: |
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Taking them as I found them, I had four moves.
| Quote: | kite 6 with hinge in box5,
coloring on 6,
xy-wing 1-36 with vertex in r3c5,
BUG+2 establishes pincers in r9c1 and r9c8 deleting 6 in r9c6 to complete the puzzle.
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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: Wed Dec 23, 2009 11:53 pm Post subject: |
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| After a half-dozen moves I got stuck and had to use my Medusa crutch to set up a different BUG+2 than Ted had. It was interesting in that one of the trivalue cells forced a value in the other trivalue cell, so in the latter cell, with two numbers accounted for, the third was eliminated, finishing it off. |
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