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keith

Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA

Posted: Tue Jul 31, 2012 1:42 pm Post subject: Times SF5

Code:

Puzzle: TimesSF5
+-------+-------+-------+
| . 2 . | . . 5 | 4 . 1 |
| . . 1 | 9 . . | 5 6 . |
| . . . | . . . | . . . |
+-------+-------+-------+
| . . . | . 3 2 | . . 4 |
| 1 . . | . 9 . | . . 8 |
| 6 . . | 7 4 . | . . . |
+-------+-------+-------+
| . . . | . . . | . . . |
| . 4 5 | . . 8 | 2 . . |
| 9 . 8 | 4 . . | . 5 . |
+-------+-------+-------+

Keith

Marty R.

Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

Posted: Tue Jul 31, 2012 4:36 pm Post subject:

Code:

+-------------+-----------+--------------+
| 38 2 39 | 36 67 5 | 4 3789 1 |
| 34 7 1 | 9 8 34 | 5 6 2 |
| 3458 59 369 | 2 1 347 | 39 3789 379 |
+-------------+-----------+--------------+
| 57 59 79 | 8 3 2 | 6 1 4 |
| 1 3 4 | 5 9 6 | 7 2 8 |
| 6 8 2 | 7 4 1 | 39 39 5 |
+-------------+-----------+--------------+
| 2 1 37 | 36 5 9 | 8 4 367 |
| 37 4 5 | 1 67 8 | 2 379 3679 |
| 9 6 8 | 4 2 37 | 1 5 37 |
+-------------+-----------+--------------+

Play this puzzle online at the Daily Sudoku site

M-Wing (37), boxes 78; r7c3<>3.

keith

Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA

Posted: Tue Jul 31, 2012 6:17 pm Post subject:

An X-wing on 3 then one on 7 will do it. Keith

arkietech

Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

Posted: Tue Jul 31, 2012 6:30 pm Post subject:

367 xy-wing will do it also. -7r8c1 or onother way to remove a 3 can you find it?

Marty R.

Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

Posted: Tue Jul 31, 2012 7:33 pm Post subject:

arkietech wrote:

367 xy-wing will do it also. Very Happy

-7r8c1

or onother way to remove a 3 can you find it?

Code:

+--------------+--------------+----------------+
| 38 2 39 | 36 67 5 | 4 3789 1 |
| 34 7 1 | 9 8 34 | 5 6 2 |
| 3458 59 369 | 2 1 347 | 39 3789 379 |
+--------------+--------------+----------------+
| 57 59 79 | 8 3 2 | 6 1 4 |
| 1 3 4 | 5 9 6 | 7 2 8 |
| 6 8 2 | 7 4 1 | 39 39 5 |
+--------------+--------------+----------------+
| 2 1 37 | C36 5 9 | 8 4 367 |
| E37 4 5 | 1 D67 8 | 2 -379 -3679 |
| 9 6 8 | 4 2 B37 | 1 5 A37 |
+-------------+-----------+--------------------+

P.S. Just noticed the easier W-Wing on 37.

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