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daj95376
Joined: 23 Aug 2008 Posts: 3854
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Posted: Sat Jan 23, 2010 11:27 pm Post subject: Puzzle 10/01/23 (B) |
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Code: | +-----------------------+
| 9 . . | 3 4 8 | . 5 . |
| . . . | 6 7 . | . . . |
| . . 4 | . . 5 | . . . |
|-------+-------+-------|
| 2 9 . | 7 . 3 | . . 4 |
| 5 4 . | . 9 . | . . 3 |
| 3 . 1 | 5 . . | . 9 7 |
|-------+-------+-------|
| . . . | . . . | 3 . . |
| 1 . . | . . 6 | . 4 . |
| . . . | 4 3 1 | . . 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: Sun Jan 24, 2010 3:21 pm Post subject: |
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A fun three stepper.
Quote: | x-wing 7 in r18c27,
xy-wing 6-78 with vertex in r9c7,
6-cell DP in r157c789. To prevent the deadly pattern, r5c78=8 or r7c8=8; all three constraints delete 8 in r4c8 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: Sun Jan 24, 2010 5:47 pm Post subject: |
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Four ERs (7,7,7,7)
XY-Wing Chain (16-68-68-68-18)
Kite (8)
Remote pairs (68) |
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