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Freep / LA Times Friday Nov. 23

 
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keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
PostPosted: Fri Nov 23, 2007 4:00 pm    Post subject: Freep / LA Times Friday Nov. 23 Reply with quote
I have yet to work on this one ...
Code:
Puzzle: FP112307
+-------+-------+-------+
| 4 8 . | 1 . . | . 9 3 |
| 5 . . | . . . | . . 7 |
| . . 3 | . . . | 5 . . |
+-------+-------+-------+
| . . . | 2 1 8 | . . . |
| . . 5 | 4 . 7 | 8 . . |
| . . . | 6 3 5 | . . . |
+-------+-------+-------+
| . . 4 | . . . | 1 . . |
| 6 . . | . . . | . . 4 |
| 2 9 . | . . 3 | . 7 5 |
+-------+-------+-------+

Keith
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Johan



Joined: 25 Jun 2007
Posts: 206
Location: Bornem Belgium
PostPosted: Fri Nov 23, 2007 5:24 pm    Post subject: Reply with quote
There is an ER in Box 9, that solves the puzzle in one step.

The grid after basics :

Code:

+-----------+---------+-----------+
| 4  8   7  | 1  5  6 | 2  9   3  |
| 5  126 26 | 3  28 9 | 4  168 7  |
| 9  126 3  | 7  28 4 | 5  168 68 |
+-----------+---------+-----------+
| 37 4   69 | 2  1  8 | 37 5   69 |
| 1  36  5  | 4  9  7 | 8  36  2  |
| 8  27  29 | 6  3  5 | 79 4   1  |
+-----------+---------+-----------+
| 37 357 4  | 59 6  2 | 1  38  89 |
| 6  35  8  | 59 7  1 | 39 2   4  |
| 2  9   1  | 8  4  3 | 6  7   5  |
+-----------+---------+-----------+
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keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
PostPosted: Fri Nov 23, 2007 5:53 pm    Post subject: Reply with quote
A skyscraper on <3> in R48 takes out <3> in R5C2 and R7C1.

Note also the UR <16> in R23C28. One of R2C3 and R3C9 must be <6>, which removes <6> from R2C8 and R3C2. The skyscraper on <6> in C39 makes the same eliminations.

Keith
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