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Free Press January 4, 2013

 
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keith



Joined: 19 Sep 2005
Posts: 3179
Location: near Detroit, Michigan, USA

PostPosted: Fri Jan 04, 2013 6:26 pm    Post subject: Free Press January 4, 2013 Reply with quote

I could not find a quick solution.
Code:
Puzzle: FP010413
+-------+-------+-------+
| 7 . . | 8 . . | . . 6 |
| . 3 . | 9 . . | . . 8 |
| . . 8 | . . . | 1 4 . |
+-------+-------+-------+
| . . . | 2 . 3 | . . . |
| 1 2 . | . . . | . 3 5 |
| . . . | 6 . 9 | . . . |
+-------+-------+-------+
| . 1 7 | . . . | 8 . . |
| 5 6 . | . . 8 | . 7 . |
| 8 . . | . . 4 | . . 3 |
+-------+-------+-------+

Play this puzzle online at the Daily Sudoku site

Keith
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JC Van Hay



Joined: 13 Jun 2010
Posts: 372
Location: Charleroi, Belgium

PostPosted: Fri Jan 04, 2013 9:50 pm    Post subject: Reply with quote

Band 1 - r3c45 has 2 solutions -> analysis of the puzzle therefrom : r1c3=1->solution, while r1c3=9->no 4C7.

Interpretation :
Code:
+---------------+-------------+------------------+
| 7     4   19  | 8   2    15 | 3      59   6    |
| 26    3   16  | 9   4    15 | 7      25   8    |
| 2(9)  5   8   | 37  37   6  | 1      4    2-9  |
+---------------+-------------+------------------+
| (69)  78  45  | 2   15   3  | 9(46)  189  1479 |
| 1     2   69  | 4   8    7  | 69     3    5    |
| 3(4)  78  345 | 6   15   9  | 2(4)   128  1247 |
+---------------+-------------+------------------+
| 3(4)  1   7   | 5   369  2  | 8      69   (49) |
| 5     6   34  | 13  39   8  | 29(4)  7    1249 |
| 8     9   2   | 17  67   4  | 5      16   3    |
+---------------+-------------+------------------+
Chain[5] : Kraken 4C7 :
9r3c1=(9-6)r4c1=(6-4)r4c7=Skyscraper(4C17)-(4=9)r7c9 :=> -9r3c9;ste
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Marty R.



Joined: 12 Feb 2006
Posts: 5165
Location: Rochester, NY, USA

PostPosted: Sat Jan 05, 2013 2:13 am    Post subject: Reply with quote

Code:

+-----------+-----------+--------------+
| 7  4  19  | 8  2   15 | 3   59  6    |
| 26 3  16  | 9  4   15 | 7   25  8    |
| 29 5  8   | 37 37  6  | 1   4   29   |
+-----------+-----------+--------------+
| 69 78 45  | 2  15  3  | 469 189 1479 |
| 1  2  69  | 4  8   7  | 69  3   5    |
| 34 78 345 | 6  15  9  | 24  128 1247 |
+-----------+-----------+--------------+
| 34 1  7   | 5  369 2  | 8   69  49   |
| 5  6  34  | 13 39  8  | 249 7   1249 |
| 8  9  2   | 17 67  4  | 5   16  3    |
+-----------+-----------+--------------+

Play this puzzle online at the Daily Sudoku site

M-Wing on 29 + pincer transport.

<>9r4c1=r3c1-(9=2)r3c9-r8c9=(2-9)r8c7=9r45c7=>r4c89<>9

Code:

+-----------+-----------+-------------+
| 7  4  19  | 8  2   15 | 3  59  6    |
| 26 3  16  | 9  4   15 | 7  25  8    |
| 29 5  8   | 37 37  6  | 1  4   29   |
+-----------+-----------+-------------+
| 69 78 45  | 2  15  3  | 69 18  147  |
| 1  2  69  | 4  8   7  | 69 3   5    |
| 34 78 345 | 6  15  9  | 24 128 1247 |
+-----------+-----------+-------------+
| 34 1  7   | 5  369 2  | 8  69  49   |
| 5  6  34  | 13 39  8  | 24 7   1249 |
| 8  9  2   | 17 67  4  | 5  16  3    |
+-----------+-----------+-------------+

Play this puzzle online at the Daily Sudoku site

Now a Finned X-Wing (4) in c37=>r6c1<>4

That's a great puzzle for newspaper.
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