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Feb 19 VH

 
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sun Feb 19, 2017 6:04 am    Post subject: Feb 19 VH Reply with quote
Code:

+------------+--------+------------+
| 28  278 78 | 5  6 4 | 1   3   9  |
| 3   9   6  | 1  8 2 | 7   4   5  |
| 4   1   5  | 7  3 9 | 26  26  8  |
+------------+--------+------------+
| 6   37  1  | 49 2 5 | 89  78  34 |
| 59  357 47 | 6  1 8 | 29  27  34 |
| 289 28  48 | 49 7 3 | 5   1   6  |
+------------+--------+------------+
| 7   568 9  | 38 4 1 | 368 568 2  |
| 1   4   2  | 38 5 6 | 38  9   7  |
| 58  568 3  | 2  9 7 | 4   568 1  |
+------------+--------+------------+

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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 941
Location: Rimini, Italy
PostPosted: Sun Feb 19, 2017 9:10 am    Post subject: Reply with quote
Hi everyone,
I find two way.

Ciao
Gianni

Quote:
XY-Wing r5c3-r4c2-r4c9 and r5c9=3 (also r4c2-r5c3-r5c9) or Unique Rectangle 3,8 in r78c47 and r7c7=6.
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George Woods



Joined: 28 Mar 2006
Posts: 304
Location: Dorset UK
PostPosted: Sun Feb 19, 2017 10:26 am    Post subject: Is no-one prpared to define at least one solution? Reply with quote
XY wing 347 pivoted at r5c3 stte
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Earl



Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
PostPosted: Sun Feb 19, 2017 2:06 pm    Post subject: Feb 19 VH Reply with quote
256 xyz wing @ R5C4; -2R4C4

Early Earl

Code:

+-----------+-----------+----------+
| 5   9  1  | 26  28 68 | 34 7  34 |
| 6   24 24 | 17  3  17 | 5  9  8  |
| 3   7  8  | 4   9  5  | 12 12 6  |
+-----------+-----------+----------+
| 17  3  5  | 27  4  9  | 6  8  12 |
| 14  8  9  | 256 25 36 | 7  12 34 |
| 247 24 6  | 8   1  37 | 34 5  9  |
+-----------+-----------+----------+
| 9   1  7  | 3   6  2  | 8  4  5  |
| 8   5  3  | 9   7  4  | 12 6  12 |
| 24  6  24 | 15  58 18 | 9  3  7  |
+-----------+-----------+----------+

Play this puzzle online at the Daily Sudoku site
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sun Feb 19, 2017 10:54 pm    Post subject: Reply with quote
There are two neighboring XY-Wings using numbers 347: a 37-4 in r4c2 and a 47-3 in r5c3.

Earl I think maybe you posted the Feb 14 puzzle.
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