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Free Press September 13, 2013

 
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Clement



Joined: 24 Apr 2006
Posts: 638
Location: Dar es Salaam Tanzania

PostPosted: Fri Sep 13, 2013 12:12 pm    Post subject: Free Press September 13, 2013 Reply with quote

For Warm Up
Code:

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

Play this puzzle online at the Daily Sudoku site
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arkietech



Joined: 31 Jul 2008
Posts: 1686
Location: Northwest Arkansas USA

PostPosted: Fri Sep 13, 2013 12:47 pm    Post subject: Reply with quote

Code:
 *-----------------------------------------------------------*
 | 7     8     34    | 25    15    12    | 349   6     349   |
 | 1     34    5     | 7     6     9     | 2     38    348   |
 | 9     6     2     | 3     4     8     | 7     1     5     |
 |-------------------+-------------------+-------------------|
 | 6     35    1     | 9     7     4     | 8     35    2     |
 | 23    7     8     | 25    15    126   | 346   9     346   |
 | 4    c25    9     | 8     3     26    |b56    7     1     |
 |-------------------+-------------------+-------------------|
 | 38    1     7     | 4     9     5     | 36    2     368   |
 | 58    49    46    | 16    2     3     | 19    58    7     |
 |e23-5 d239   36    | 16    8     7     |a1359  4     39    |
 *-----------------------------------------------------------*
s-wing
5r9c7=r6c7-(5=2)r6c2-r9c2=2r9c1 => -5r9c1; ste
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Clement



Joined: 24 Apr 2006
Posts: 638
Location: Dar es Salaam Tanzania

PostPosted: Fri Sep 13, 2013 5:16 pm    Post subject: Free Press Free Press 13, 2013 Reply with quote

Code:

+-------------+-----------+-------------+
| 7   8    34 | 25 15 12  | 349  6  349 |
| 1   34   5  | 7  6  9   | 2    38 348 |
| 9   6    2  | 3  4  8   | 7    1  5   |
+-------------+-----------+-------------+
| 6   35   1  | 9  7  4   | 8    35 2   |
| d23  7    8  | 25 15 126 | 346  9  346 |
| 4   c25   9  | 8  3  26  | b56   7  1   |
+-------------+-----------+-------------+
| 8-3  1    7  | 4  9  5   | a36   2  368 |
| 58  49   46 | 16 2  3   | 19   58 7   |
| 235 2359 36 | 16 8  7   | 1359 4  39  |
+-------------+-----------+-------------+
XY-Chain
(3=6)r7c7-(6=5)r6c7-(5=2)r6c2-(2=3)r5c1 => -3r7c1; stte.
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Marty R.



Joined: 12 Feb 2006
Posts: 5061
Location: Rochester, NY, USA

PostPosted: Sat Sep 14, 2013 1:14 am    Post subject: Reply with quote

Same elimination as Clement, but I saw it as an XY-Wing (56-3), pivoted in r6c7, with a transport of 3 from r4c8 to r5c1 via r4c2=>r7c1<>3.
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keith



Joined: 19 Sep 2005
Posts: 3136
Location: near Detroit, Michigan, USA

PostPosted: Sat Sep 14, 2013 11:42 pm    Post subject: Reply with quote

Code:
+----------------+----------------+----------------+
| 7    8    34   | 25   15   12   | 349  6    349  |
| 1    34   5    | 7    6    9    | 2    38   348  |
| 9    6    2    | 3    4    8    | 7    1    5    |
+----------------+----------------+----------------+
| 6    35   1    | 9    7    4    | 8    35   2    |
| 23   7    8    | 25   15   126  | 346  9    346  |
| 4    25   9    | 8    3    26   | 56   7    1    |
+----------------+----------------+----------------+
| 38   1    7    | 4    9    5    | 36   2    368  |
| 58   49   46   | 16   2    3    | 19   58   7    |
| 235  239  36   | 16   8    7    | 1359 4    39   |
+----------------+----------------+----------------+

DP R15 25 15 12: R5C6=6.

Keith Laughing
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arkietech



Joined: 31 Jul 2008
Posts: 1686
Location: Northwest Arkansas USA

PostPosted: Sun Sep 15, 2013 2:45 am    Post subject: Reply with quote

keith wrote:
DP R15 25 15 12: R5C6=6.


Very Nice!

An elephant in the room and I missed it Laughing
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Marty R.



Joined: 12 Feb 2006
Posts: 5061
Location: Rochester, NY, USA

PostPosted: Sun Sep 15, 2013 3:57 am    Post subject: Reply with quote

arkietech wrote:
keith wrote:
DP R15 25 15 12: R5C6=6.


Very Nice!

An elephant in the room and I missed it Laughing


We all missed it and Keith knows it which is probably why he put that ----eating grin in his post. Laughing
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keith



Joined: 19 Sep 2005
Posts: 3136
Location: near Detroit, Michigan, USA

PostPosted: Sun Sep 15, 2013 6:24 am    Post subject: Reply with quote

Blindingly obvious, isn't it?

I screwed around for a while before seeing it.

I really do miss the discussions we used to have on many notable and quirky puzzles like this. Crying or Very sad

Keith
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