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Apr 20 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 868
Location: Rimini, Italy

PostPosted: Thu Apr 19, 2018 10:13 pm    Post subject: Apr 20 VH Reply with quote

Hi everyone,

Code:

+-----------+------------+-------------+
| 478 14 78 | 3   2  19  | 79 6    5   |
| 567 15 9  | 147 8  16  | 3  147  2   |
| 67  2  3  | 149 67 5   | 8  14   149 |
+-----------+------------+-------------+
| 3   8  4  | 6   9  2   | 1  5    7   |
| 9   7  5  | 8   1  4   | 2  3    6   |
| 2   6  1  | 5   3  7   | 4  9    8   |
+-----------+------------+-------------+
| 578 59 6  | 2   4  139 | 79 178  139 |
| 1   49 28 | 79  67 369 | 5  28   349 |
| 47  3  27 | 19  5  8   | 6  1247 149 |
+-----------+------------+-------------+

Play this puzzle online at the Daily Sudoku site

Quote:
XYZ-Wing 4,7,8 in r1c13,r9c1 and -7 in r23c1


Ciao Gianni
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Clement



Joined: 24 Apr 2006
Posts: 1110
Location: Dar es Salaam Tanzania

PostPosted: Thu Apr 19, 2018 11:01 pm    Post subject: Apr 20 VH Reply with quote

Code:

+-------------------+-------------------+--------------------+
| 478     14•    78 | 3       2     19^ | 79    6       5    |
| 4567    145    9  | 147     8     16  | 3     147     2    |
| 467     2      3  | 1479*   67    5   | 8     147     149* |
+-------------------+-------------------+--------------------+
| 3       8      4  | 6       9     2   | 1     5       7    |
| 9       7      5  | 8       1     4   | 2     3       6    |
| 2       6      1  | 5       3     7   | 4     9       8    |
+-------------------+-------------------+--------------------+
| 578     59     6  | 2       4     139 | 79    178     13-9 |
| 1       49^    28 | 7-9     67    36-9| 5     28      34-9 |
| 47      3      27 | 19*     5     8   | 6     1247    149* |
+-------------------+-------------------+--------------------+

X-Wing in row 39: r8c4,r78c9 <> 9 and
XY-Wing 14-9 pivoted in r1c2: r8c6 <> 9; stte
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