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Times SF9

 
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keith



Joined: 19 Sep 2005
Posts: 3174
Location: near Detroit, Michigan, USA

PostPosted: Sat Aug 04, 2012 5:07 pm    Post subject: Times SF9 Reply with quote

Last in the series
Code:
Puzzle: TimesSF9
+-------+-------+-------+
| . . 3 | . 7 . | . 2 . |
| . 2 . | 9 . . | . . . |
| . . 6 | . 5 2 | 9 . . |
+-------+-------+-------+
| 5 7 . | . . . | . . . |
| . 9 . | 8 . 1 | . 3 . |
| . . . | . . . | . 4 8 |
+-------+-------+-------+
| . . 7 | 1 3 . | 4 . . |
| . . . | . . 9 | . 5 . |
| . 3 . | . 2 . | 6 . . |
+-------+-------+-------+

Play this puzzle online at the Daily Sudoku site

Keith
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Marty R.



Joined: 12 Feb 2006
Posts: 5162
Location: Rochester, NY, USA

PostPosted: Sun Aug 05, 2012 12:36 am    Post subject: Reply with quote

Code:

+-----------+----------+--------------+
| 9   14 3  | 6   7 48 | 58  2   145  |
| 47  2  5  | 9   1 48 | 378 67  3467 |
| 147 8  6  | 3   5 2  | 9   17  147  |
+-----------+----------+--------------+
| 5   7  8  | 2   4 3  | 1   69  69   |
| 24  9  24 | 8   6 1  | 57  3   57   |
| 3   6  1  | 57  9 57 | 2   4   8    |
+-----------+----------+--------------+
| 28  5  7  | 1   3 6  | 4   89  29   |
| 6   14 24 | 47  8 9  | 37  5   1237 |
| 148 3  9  | 457 2 57 | 6   178 17   |
+-----------+----------+--------------+

Play this puzzle online at the Daily Sudoku site

This was more user-friendly than SF8. Laughing

Type 1 UR (57); r9c4<>57.
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Clement



Joined: 24 Apr 2006
Posts: 679
Location: Dar es Salaam Tanzania

PostPosted: Sun Aug 05, 2012 2:03 pm    Post subject: Times SF9 Reply with quote

X-Wing on 1 in row 18; r39c9<>1 also solves it.
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arkietech



Joined: 31 Jul 2008
Posts: 1725
Location: Northwest Arkansas USA

PostPosted: Sun Aug 05, 2012 2:27 pm    Post subject: Reply with quote

There is a quad in col 9 which solves it using basic moves. Very Happy
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keith



Joined: 19 Sep 2005
Posts: 3174
Location: near Detroit, Michigan, USA

PostPosted: Wed Aug 29, 2012 3:41 pm    Post subject: Reply with quote

All three solutions are correct.

There are complementary X-wings on 1: One in the rows, the other in the columns.

Keith
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Marty R.



Joined: 12 Feb 2006
Posts: 5162
Location: Rochester, NY, USA

PostPosted: Wed Aug 29, 2012 3:46 pm    Post subject: Reply with quote

keith wrote:
All three solutions are correct.

There are complementary X-wings on 1: One in the rows, the other in the columns.

Keith


I agree that all three solutions are correct, but I think Dan's is more correct than the others. We should never get to the point of needing advanced moves if there are more basics to be resolved.
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keith



Joined: 19 Sep 2005
Posts: 3174
Location: near Detroit, Michigan, USA

PostPosted: Wed Aug 29, 2012 5:12 pm    Post subject: Reply with quote

Marty R. wrote:
We should never get to the point of needing advanced moves if there are more basics to be resolved.


All roads lead to Rome.

Keith
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