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Times SF1

 
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keith



Joined: 19 Sep 2005
Posts: 3165
Location: near Detroit, Michigan, USA

PostPosted: Thu Jul 26, 2012 6:57 pm    Post subject: Times SF1 Reply with quote

The first in this series.
Code:
Puzzle: TimesSF1
+-------+-------+-------+
| . 8 . | . . . | 5 9 . |
| 6 . . | 8 . . | . . 3 |
| 5 . 2 | . 7 . | 8 . . |
+-------+-------+-------+
| . . . | 7 . 6 | . 1 . |
| . . 3 | . 2 . | 7 . . |
| . 9 . | 5 . 1 | . . . |
+-------+-------+-------+
| . . 8 | . 5 . | 6 . 4 |
| 4 . . | . . 3 | . . 5 |
| . 1 5 | . . . | . 2 . |
+-------+-------+-------+
Keith
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Marty R.



Joined: 12 Feb 2006
Posts: 5159
Location: Rochester, NY, USA

PostPosted: Fri Jul 27, 2012 1:04 am    Post subject: Reply with quote

Code:

+----------+--------------+------------+
| 37 8   1 | 2346 46  24  | 5  9   67  |
| 6  47  9 | 8    1   5   | 2  47  3   |
| 5  34  2 | 36   7   9   | 8  46  1   |
+----------+--------------+------------+
| 28 5   4 | 7    389 6   | 39 1   289 |
| 1  6   3 | 49   2   48  | 7  5   89  |
| 28 9   7 | 5    38  1   | 4  368 268 |
+----------+--------------+------------+
| 9  237 8 | 1    5   27  | 6  37  4   |
| 4  27  6 | 29   89  3   | 1  78  5   |
| 37 1   5 | 46   468 478 | 39 2   789 |
+----------+--------------+------------+

Play this puzzle online at the Daily Sudoku site

I found three one-steppers and stopped looking.

X-Wing on 7 in either r28 or c19 and M-Wing on 27 in boxes 78.
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Clement



Joined: 24 Apr 2006
Posts: 663
Location: Dar es Salaam Tanzania

PostPosted: Fri Jul 27, 2012 3:33 pm    Post subject: Times SF1 Reply with quote

Also the W-Wing 37 with SL 7 in row 8; r7c2<>3, r9c7<>3.
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keith



Joined: 19 Sep 2005
Posts: 3165
Location: near Detroit, Michigan, USA

PostPosted: Fri Jul 27, 2012 5:55 pm    Post subject: Reply with quote

Of the nine puzzles, the first four can all be solved by X-wings and other methods.

One of the nine, not posted yet, can be solved by subsets only.

Keith
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