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wapati
Joined: 10 Jun 2008
Posts: 472
Location: Brampton, Ontario, Canada.
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 Posted: Sun Dec 23, 2012 7:22 pm Post subject: This has a swordfish, early. You can bypass it, of course |
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..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: 5770
Location: Rochester, NY, USA
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| Posted: Sun Dec 23, 2012 10:18 pm Post subject: |
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| 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 |
+--------------+--------------+------------+
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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: 3355
Location: near Detroit, Michigan, USA
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| Posted: Tue Dec 25, 2012 12:27 am Post subject: |
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Marty,
There is a swordfish -9 in C148 but it does not help solve the puzzle.
Keith |
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