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Set NNP Puzzle 27

 
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Sat Jan 24, 2009 4:12 pm    Post subject: Set NNP Puzzle 27 Reply with quote

Just for fun!

Code:
 +-----------------------+
 | . . . | 7 4 . | . . . |
 | . . . | . . 3 | . 6 7 |
 | . . 2 | . 6 5 | . . . |
 |-------+-------+-------|
 | 2 . . | . . . | 4 . 3 |
 | 8 . 4 | . 9 . | . . . |
 | . 3 5 | . . 6 | . 8 9 |
 |-------+-------+-------|
 | . . . | 6 . . | . . . |
 | . 6 . | . . 8 | . 9 . |
 | . 8 . | 2 . 4 | . . 6 |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site
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wapati



Joined: 10 Jun 2008
Posts: 472
Location: Brampton, Ontario, Canada.

PostPosted: Sat Jan 24, 2009 9:52 pm    Post subject: Reply with quote

It is startling to have so few unsolved cells and yet have difficulty.

A most excellent puzzle, thanks Dan!
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tlanglet



Joined: 17 Oct 2007
Posts: 2461
Location: Northern California Foothills

PostPosted: Sun Jan 25, 2009 7:45 pm    Post subject: Reply with quote

Basics got me to here:
Code:

 | 6     5     39    | 7     4     1     | 39    2     8     |
 | 1     4     8     | 9     2     3     | 5     6     7     |
 | 39    7     2     | 8     6     5     | 139   34    14    |
 |-------------------+-------------------+-------------------|
 | 2     9     6     | 5     8     7     | 4     1     3     |
 | 8     1     4     | 3     9     2     | 6     7     5     |
 | 7     3     5     | 4     1     6     | 2     8     9     |
 |-------------------+-------------------+-------------------|
 | 35    2     137   | 6     37    9     | 8     345   14    |
 | 4     6     37    | 1     5     8     | 37    9     2     |
 | 359   8     1379  | 2     37    4     | 137   35    6     |

Then a x-wing<3> creates a w-wing<17> with strong link <7> in row<8>. The <1> in r7c3 is transported to r3c9 via r7c9 to delete <1> from r3c7 and finish off the puzzle.

Ted
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Marty R.



Joined: 12 Feb 2006
Posts: 5180
Location: Rochester, NY, USA

PostPosted: Sun Feb 01, 2009 12:59 am    Post subject: Reply with quote

It's always possible (probable?) that I did something wrong, but the X-Wing was all I needed.
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