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Interesting Puzzle

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keith

Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA

Posted: Sat Dec 24, 2016 3:40 pm Post subject: Interesting Puzzle

A very nice illustration of one of our techniques

Code:

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

Play this puzzle online at the Daily Sudoku site

Keith

bat999

Joined: 09 Jul 2015
Posts: 55
Location: UK

Posted: Sat Dec 24, 2016 5:59 pm Post subject:

Code:

.---------------.----------------.----------------.
| 8 6 12 | 7 5 3 | 19 4 29 |
| 7 4 9 | 2 16 c16 | 3 8 5 |
| 35 235 125 | 9 8 4 | 6 12 7 |
:---------------+----------------+----------------:
| 6 589 4 | 58 7 2 | 59 3 1 |
| 2 59 3 | 45 14 c19 | 8 7 6 |
| 1 7 58 | 568 3 68-9 | 2 a59 4 |
:---------------+----------------+----------------:
| 345 35 67 | 1 2 b68 | 4579 b59 b89 |
| 9 28 67 | 468 46 5 | 17 12 3 |
| 45 1 28 | 3 9 7 | 45 6 28 |
'---------------'----------------'----------------'

(9=5)r6c8 - (5=6)r7c689 - (6=9)r25c6 => -9 r6c6; stte
Cool

keith

Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA

Posted: Sat Dec 24, 2016 6:22 pm Post subject:

I was thinking of the W-wing ...

Code:

+----------------+----------------+----------------+
| 8 6 12 | 7 5 3 | 19 4 29 |
| 7 4 9 | 2 16 16 | 3 8 5 |
| 35 235 125 | 9 8 4 | 6 12 7 |
+----------------+----------------+----------------+
| 6 5-89 4 | 58# 7 2 | 59* 3 1 |
| 2 59 3 | 45 14 19 | 8 7 6 |
| 1 7 58# | 5-68 3 6-89 | 2 59* 4 |
+----------------+----------------+----------------+
| 345 35 67 | 1 2 68 | 4579 59 89 |
| 9 28 67 | 468 46 5 | 17 12 3 |
| 45 1 28 | 3 9 7 | 45 6 28 |
+----------------+----------------+----------------+

The link on 5 is **. ## are pincers on 8.

Keith

Marty R.

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

Posted: Sun Dec 25, 2016 7:02 pm Post subject:

Code:

+-------------+------------+------------+
| 8 6 12 | 7 5 3 | 19 4 29 |
| 7 4 9 | 2 16 16 | 3 8 5 |
| 35 235 125 | 9 8 4 | 6 12 7 |
+-------------+------------+------------+
| 6 589 4 | 58 7 2 | 59 3 1 |
| 2 59 3 | 45 14 19 | 8 7 6 |
| 1 7 58 | 568 3 689 | 2 59 4 |
+-------------+------------+------------+
| 345 35 67 | 1 2 68 | 4579 59 89 |
| 9 28 67 | 468 46 5 | 147 12 3 |
| 45 1 28 | 3 9 7 | 45 6 28 |
+-------------+------------+------------+

Play this puzzle online at the Daily Sudoku site

There's a neighboring W-Wing on 59 in b46, SL 9 in r4=> -5r6c3

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