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Apr 01 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1113
Location: Dar es Salaam Tanzania
PostPosted: Thu Apr 01, 2021 9:04 am    Post subject: Apr 01 VH Reply with quote
Code:

+-------------------+------------------+-------------------+
|a69      3     8   | 2     167    b16 | 79     5      4   |
| 4       19    16  | 8     67      5  | 379    237    237 |
| 7       2     5   | 9     4       3  | 6      1      8   |
+-------------------+------------------+-------------------+
| 369     8     67  | 4     2       69 | 5      379    1   |
| 3-9     4     27  | 5     13     c19 | 8      6      27  |
| 5       19    126 | 36    8       7  | 4      239     23 |
+-------------------+------------------+-------------------+
| 1       7     9   | 36    36      4  | 2      8       5  |
| 2       6     4   | 1     5       8  | 37     37      9  |
| 8       5     3   | 7     9       2  | 1      4       6  |
+-------------------+------------------+-------------------+

XY-Wing: (9=6)r1c1 - (6=1)r1c6 - (1=9)r5c6 => - 9r5c1; stte

Last edited by Clement on Thu Apr 01, 2021 9:15 am; edited 1 time in total
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 1019
Location: Rimini, Italy
PostPosted: Thu Apr 01, 2021 9:44 am    Post subject: Reply with quote
Hi everyone,

W-Wing 6,9 in r1c1,r4c6 SL with number 9 in r5c16 and -6 in r1c6,r4c1

Ciao Gianni
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TomC



Joined: 30 Oct 2020
Posts: 359
Location: Wales
PostPosted: Thu Apr 01, 2021 10:21 am    Post subject: Reply with quote
Code:

+------------+-----------+-------------+
| 69  3  8   | 2  167 16 | 79  5   4   |
| 4   19 16  | 8  67  5  | 379 237 237 |
| 7   2  5   | 9  4   3  | 6   1   8   |
+------------+-----------+-------------+
| 369 8  67  | 4  2   69 | 5   379 1   |
| 39  4  27  | 5  13  19 | 8   6   27  |
| 5   19 126 | 36 8   7  | 4   239 23  |
+------------+-----------+-------------+
| 1   7  9   | 36 36  4  | 2   8   5   |
| 2   6  4   | 1  5   8  | 37  37  9   |
| 8   5  3   | 7  9   2  | 1   4   6   |
+------------+-----------+-------------+

Play this puzzle online at the Daily Sudoku site

r6c8 <> 2 or 3 as by using the 36 and 69 in box5 this would lead to no 9's in box6

Tom
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