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Interesting Puzzle

 
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keith



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

PostPosted: Sat Dec 24, 2016 3:40 pm    Post subject: Interesting Puzzle Reply with quote

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
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bat999



Joined: 09 Jul 2015
Posts: 55
Location: UK

PostPosted: Sat Dec 24, 2016 5:59 pm    Post subject: Reply with quote

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
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keith



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

PostPosted: Sat Dec 24, 2016 6:22 pm    Post subject: Reply with quote

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
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Marty R.



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

PostPosted: Sun Dec 25, 2016 7:02 pm    Post subject: Reply with quote

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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