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April 24 DB

 
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Earl



Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
PostPosted: Sat Apr 24, 2010 1:24 pm    Post subject: April 24 DB Reply with quote
The April 24 DB has a lucky number.

A Solution: Skyscraper (7)


Earl


Code:

+-------+-------+-------+
| . . . | . 9 3 | 6 . 1 |
| . 6 . | . 1 . | . . 5 |
| 1 . . | . . 8 | . . . |
+-------+-------+-------+
| . . 7 | . . . | . 1 9 |
| . . . | 7 . 6 | . . . |
| 5 2 . | . . . | 7 . . |
+-------+-------+-------+
| . . . | 8 . . | . . 4 |
| 9 . . | . 3 . | . 8 . |
| 3 . 4 | 1 2 . | . . . |
+-------+-------+-------+

Play this puzzle online at the Daily Sudoku site
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keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
PostPosted: Sun Apr 25, 2010 9:11 pm    Post subject: Reply with quote
After basics:
Code:
+----------------+----------------+----------------+
| 247  57@  8    | 245  9    3    | 6   24-7  1    |
| 247  6    9    | 24   1    47   | 8    3    5    |
| 1    3    25#  | 2456 67   8    | 24   9    27@  |
+----------------+----------------+----------------+
| 6    4    7    | 3    8    2    | 5    1    9    |
| 8    9    1    | 7    5    6    | 24   24   3    |
| 5    2    3    | 9    4    1    | 7    6    8    |
+----------------+----------------+----------------+
| 27   1    256  | 8    67   9    | 3    257  4    |
| 9    57   256  | 46   3    457  | 1    8    27   |
| 3    8    4    | 1    2    57   | 9    57   6    |
+----------------+----------------+----------------+
An XY-wing 25-7 solves it.

Keith
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