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Free Press March 20, 2015

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Clement

Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania

Posted: Sat Mar 21, 2015 5:10 pm Post subject: Free Press March 20, 2015

Code:

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

Play this puzzle online at the Daily Sudoku site

Marty R.

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

Posted: Sat Mar 21, 2015 7:27 pm Post subject:

Code:

+---------+-------------+--------------+
| 1 7 6 | 235 35 9 | 4 23 8 |
| 28 49 5 | 238 1 348 | 379 6 79 |
| 28 49 3 | 7 6 48 | 1 29 59 |
+---------+-------------+--------------+
| 3 6 9 | 4 8 7 | 2 5 1 |
| 7 2 1 | 359 359 6 | 39 8 4 |
| 5 8 4 | 39 2 1 | 3679 379 679 |
+---------+-------------+--------------+
| 9 5 7 | 6 4 2 | 8 1 3 |
| 4 1 2 | 389 379 38 | 56 79 56 |
| 6 3 8 | 1 79 5 | 79 4 2 |
+---------+-------------+--------------+

Play this puzzle online at the Daily Sudoku site

UR(35)r15c45:

2r1c4=9r5c45-(9=3)r5c7-(3=79)r2c79-(9=2)r3c8=>r1c8<>2

JC Van Hay

Joined: 13 Jun 2010
Posts: 494
Location: Charleroi, Belgium

Posted: Sat Mar 21, 2015 9:41 pm Post subject:

Code:

+-----------+---------------+-------------------+
| 1 7 6 | 235 35 9 | 4 23 8 |
| 28 49 5 | 238 1 348 | 9-3(7) 6 9(7) |
| 28 49 3 | 7 6 48 | 1 29 5 |
+-----------+---------------+-------------------+
| 3 6 9 | 4 8 7 | 2 5 1 |
| 7 2 1 | 359 359 6 | (39) 8 4 |
| 5 8 4 | 39 2 1 | 6 379 (79) |
+-----------+---------------+-------------------+
| 9 5 7 | 6 4 2 | 8 1 3 |
| 4 1 2 | 389 379 38 | 5 79 6 |
| 6 3 8 | 1 79 5 | 79 4 2 |
+-----------+---------------+-------------------+
[7r2c79 (79)r6c9 (93)r5c7] - 3r2c7; stte

Clement

Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania

Posted: Sun Mar 22, 2015 3:02 pm Post subject: Free Press March 20, 2015

Kraken cell [379]r2c7 or XYZ-Wing with transport 3r2c7-(3=9)r5c7-(9=7)r9c7-(7=9)r8c8-(9)r3c8 7r2c7-(7=9)r2c9-(9)r3c8 9r2c7-(9)r3c8 => -9r3c8; stte

tlanglet

Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills

Posted: Sun Mar 22, 2015 6:31 pm Post subject:

Code:

*--------------------------------------------------*
| 1 7 6 | 235 35 9 | 4 23 8 |
| 28 49 5 | 238 1 348 |*379 6 *79 |
| 28 49 3 | 7 6 48 | 1 29 5 |
|----------------+----------------+----------------|
| 3 6 9 | 4 8 7 | 2 5 1 |
| 7 2 1 | 359 359 6 | 39 8 4 |
| 5 8 4 | 39 2 1 | 6 *379 *79 |
|----------------+----------------+----------------|
| 9 5 7 | 6 4 2 | 8 1 3 |
| 4 1 2 | 389 *379 38 | 5 *79 6 |
| 6 3 8 | 1 *79 5 |*79 4 2 |
*--------------------------------------------------*

Marty, here is another AUR; AUR(79)r2c79,r6c89,r8c58,r9c57. Both internal and external inferences are readily useable. For posting, I used the external inferences: 9r3c8, 9r5c7, 9r8c4

AUR(79)
9r3c8-(9=7)r8c8;
||
(9-3)r5c7=(3-7)r6c8=7r8c8;
||
9r8c4-(9=7)r8c8; => r8c8=7 to complete the puzzle.

Ted

yeoks

Joined: 16 May 2010
Posts: 33

Posted: Mon Mar 23, 2015 12:40 pm Post subject:

Code:

+---------+-------------+------------+
| 1 7 6 | 235 35 9 | 4 23 8 |
| 28 49 5 | 238 1 348 | 379 6 79 |
| 28 49 3 | 7 6 48 | 1 29 5 |
+---------+-------------+------------+
| 3 6 9 | 4 8 7 | 2 5 1 |
| 7 2 1 | 359 359 6 | 39 8 4 |
| 5 8 4 | 39 2 1 | 6 379 79 |
+---------+-------------+------------+
| 9 5 7 | 6 4 2 | 8 1 3 |
| 4 1 2 | 389 379 38 | 5 79 6 |
| 6 3 8 | 1 79 5 | 79 4 2 |
+---------+-------------+------------+

Play this puzzle online at the Daily Sudoku site

W-Wing 79 in r6c9 and r9c7; r5c7<>9

Marty R.

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

Posted: Mon Mar 23, 2015 3:46 pm Post subject:

Quote:

Marty, here is another AUR; AUR(79)r2c79,r6c89,r8c58,r9c57. Both internal and external inferences are readily useable. For posting, I used the external inferences: 9r3c8, 9r5c7, 9r8c4

Nice work, Ted. Since my little "vacation", the concept of external inferences hasn't entered my mind.

sakiewkamarek

Joined: 26 Mar 2015
Posts: 1

Posted: Thu Mar 26, 2015 9:07 am Post subject:

Looks interesting, i think i have to spend some more time on that.

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