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This has a swordfish, early. You can bypass it, of course

 
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wapati



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

PostPosted: Sun Dec 23, 2012 7:22 pm    Post subject: This has a swordfish, early. You can bypass it, of course Reply with quote

..8.2.3....26.4....4...9.621.43.......7...4.......89.376.5...8....2.71....3.4.5..


Code:
. . 8|. 2 .|3 . .
. . 2|6 . 4|. . .
. 4 .|. . 9|. 6 2
-----+-----+-----
1 . 4|3 . .|. . .
. . 7|. . .|4 . .
. . .|. . 8|9 . 3
-----+-----+-----
7 6 .|5 . .|. 8 .
. . .|2 . 7|1 . .
. . 3|. 4 .|5 . .
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Marty R.



Joined: 12 Feb 2006
Posts: 5128
Location: Rochester, NY, USA

PostPosted: Sun Dec 23, 2012 10:18 pm    Post subject: Reply with quote

Code:

+--------------+--------------+------------+
| 6   1579  8  | 17  2    15  | 3  4   159 |
| 359 13579 2  | 6   1358 4   | 78 159 159 |
| 35  4     15 | 178 1358 9   | 78 6   2   |
+--------------+--------------+------------+
| 1   89    4  | 3   579  2   | 6  57  578 |
| 389 389   7  | 19  1569 156 | 4  2   158 |
| 25  25    6  | 4   17   8   | 9  17  3   |
+--------------+--------------+------------+
| 7   6     19 | 5   19   3   | 2  8   4   |
| 4   58    59 | 2   689  7   | 1  3   69  |
| 28  128   3  | 189 4    16  | 5  79  679 |
+--------------+--------------+------------+

Play this puzzle online at the Daily Sudoku site

While it has become de rigueur to post only one-step solutions, I'm using two.

XY-Wing (58-2), pivot r8c2=>r6c1<>2 which reduces the grid to a BUG+1.
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keith



Joined: 19 Sep 2005
Posts: 3150
Location: near Detroit, Michigan, USA

PostPosted: Tue Dec 25, 2012 12:27 am    Post subject: Reply with quote

Marty,

There is a swordfish -9 in C148 but it does not help solve the puzzle.

Keith
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