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Mar 4 VH

 
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Marty R.



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

PostPosted: Sat Mar 04, 2017 6:05 am    Post subject: Mar 4 VH Reply with quote

Code:

+------------+-----------------+------------+
| 9  1478 48 | 1568  3578 5678 | 67  2   34 |
| 6  47   5  | 89    37   2    | 1   89  34 |
| 2  178  3  | 1689  789  4    | 679 689 5  |
+------------+-----------------+------------+
| 45 9    1  | 45    6    3    | 2   7   8  |
| 48 3    2  | 489   4789 789  | 5   1   6  |
| 58 6    7  | 2     1    58   | 3   4   9  |
+------------+-----------------+------------+
| 1  45   49 | 3     2    69   | 8   569 7  |
| 3  58   6  | 7     89   1    | 4   59  2  |
| 7  2    89 | 45689 4589 5689 | 69  3   1  |
+------------+-----------------+------------+

Play this puzzle online at the Daily Sudoku site
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 872
Location: Rimini, Italy

PostPosted: Sat Mar 04, 2017 10:05 am    Post subject: Reply with quote

Hi everyone,
some ways i have found

Quote:
XY-Wing r9c3-r8c2-r8c8 and r9c7=6
or W-Wing 6,9 in r7c6-r9c7 connected by 9 in r8c58
the same result with XY-Chain r7c6-r7c3-r1c3-r9c3-r9c7


Ciao
Gianni
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