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From Archives - au tough Dec 14, 2011

 
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Wed Jun 06, 2012 5:40 am    Post subject: From Archives - au tough Dec 14, 2011 Reply with quote
Code:

 *-----------*
 |...|...|81.|
 |2..|.1.|4..|
 |..5|6..|...|
 |---+---+---|
 |.9.|35.|...|
 |8..|...|..7|
 |...|.46|.9.|
 |---+---+---|
 |...|..9|1..|
 |..9|.8.|..5|
 |.73|...|...|
 *-----------*
 

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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Wed Jun 06, 2012 8:03 pm    Post subject: Reply with quote
I don't trust myself when I can solve an AU Tough without a lot of trouble. But on my first pass, basics reduced the grid to a BUG+1.

Code:

+-----------+----------+----------+
| 9   34 47 | 25 37 25 | 8  1  6  |
| 2   36 67 | 8  1  37 | 4  5  9  |
| 1   8  5  | 6  9  4  | 37 27 23 |
+-----------+----------+----------+
| 7   9  2  | 3  5  8  | 6  4  1  |
| 8   46 46 | 9  2  1  | 5  3  7  |
| 3   5  1  | 7  4  6  | 2  9  8  |
+-----------+----------+----------+
| 456 2  8  | 45 37 9  | 1  67 34 |
| 46  1  9  | 24 8  37 | 37 26 5  |
| 45  7  3  | 1  6  25 | 9  8  24 |
+-----------+----------+----------+

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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Thu Jun 07, 2012 1:12 pm    Post subject: Reply with quote
Also my solution..........

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