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Free Press Apr 24, 2015

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Clement

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

Posted: Sat Apr 25, 2015 1:39 pm Post subject: Free Press Apr 24, 2015

Code:

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

Play this puzzle online at the Daily Sudoku site

Marty R.

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

Posted: Sun Apr 26, 2015 1:24 am Post subject:

I butchered this one. I played an X-Wing and Finned X-wing , both of which did nothing but remove one candidate. I finished with an M-Wing on 29 which opened up a W-Wing on 19, both in band #3.

JC Van Hay

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

Posted: Sun Apr 26, 2015 6:02 am Post subject:

Code:

+-----------------+-----------+--------------------+
| 8 279 235 | 6 34 1 | 25 249 79 |
| 6 129 12 | 5 48 7 | 28 2489 3 |
| 57 4 35 | 2 38 9 | 568 1 67 |
+-----------------+-----------+--------------------+
| 25 12 125 | 9 6 3 | 4 7 8 |
| 4 6 7 | 1 5 8 | 9 3 2 |
| 3 8 9 | 4 7 2 | 16 5 16 |
+-----------------+-----------+--------------------+
| 2(9) 5 8 | 7 129 4 | 3 6 -9(1) |
| 1 27 6 | 3 29 5 | 278 289 4 |
| 2(79) 3 4 | 8 129 6 | 2(17) 29 5 |
+-----------------+-----------+--------------------+
L3-Wing : [9r79c1 7r9c17 1r9c7.r7c9] - (9=1)r7c9

Clement

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

Posted: Sun Apr 26, 2015 10:59 am Post subject: Free Press Apr 24, 2015

Code:

+-------------+---------+-------------+
| 8 b279 235 | 6 34 1 | f25 249 a79 |
| 6 129 12 | 5 48 7 | f28 2489 3 |
| c57 4 35 | 2 38 9 | g568 1 67 |
+-------------+---------+-------------+
| 25 12 125 | 9 6 3 | 4 7 8 |
| 4 6 7 | 1 5 8 | 9 3 2 |
| 3 8 9 | 4 7 2 | h16 5 i16 |
+-------------+---------+-------------+
| 29 5 8 | 7 129 4 | 3 6 j1-9 |
| 1 e27 6 | 3 29 5 | f278 289 4 |
| d279 3 4 | 8 129 6 | 127 29 5 |
+-------------+---------+-------------+

I used the following chain
(9=7)r1c9-r1c2=r3c1-r9c1=r8c2-(7=285)r128c7-(5=6)r3c7-r6c7=(6-1)r6c9=(1)r7c9 => -9r7c9; stte

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