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Apr 09 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 1019
Location: Rimini, Italy
PostPosted: Fri Apr 09, 2021 8:25 am    Post subject: Apr 09 VH Reply with quote
Hi everyone,

Code:

+---------+--------------+----------+
| 37 9  2 | 58  568  1   | 4 37 68  |
| 4  8  6 | 7   9    3   | 5 12 12  |
| 5  37 1 | 4   268  268 | 9 37 68  |
+---------+--------------+----------+
| 8  17 4 | 359 1357 57  | 6 12 129 |
| 79 2  5 | 6   17   4   | 3 8  19  |
| 69 16 3 | 89  128  28  | 7 4  5   |
+---------+--------------+----------+
| 2  4  8 | 35  356  56  | 1 9  7   |
| 1  5  7 | 2   4    9   | 8 6  3   |
| 36 36 9 | 1   78   78  | 2 5  4   |
+---------+--------------+----------+

Play this puzzle online at the Daily Sudoku site

Quote:
W-Wing 1,7 in r4c2,r5c5 SL with number 1 in r6c25 and -7 in r5c1,r4c56
or
XY-Wing 1,7,9 in r4c2,r5c19 and -1 in r4c89
or
UR 1,2 in r24c89 and r4c9=9


Ciao Gianni
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TomC



Joined: 30 Oct 2020
Posts: 359
Location: Wales
PostPosted: Fri Apr 09, 2021 9:21 am    Post subject: Reply with quote
r6c5 <> 1 as then two 9's in r56c1
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RobertRattley



Joined: 24 Jun 2007
Posts: 118
Location: Australia
PostPosted: Thu May 13, 2021 4:37 pm    Post subject: Reply with quote
[quote="TomC"]r6c5 <> 1 as then two 9's in r56c1[/quote]

Correct. This means the puzzle is "hard", not "very hard".
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