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VH++ 060323

 
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immpy



Joined: 06 May 2017
Posts: 571
PostPosted: Sat Jun 03, 2023 8:37 pm    Post subject: VH++ 060323 Reply with quote
Hello all. Glad to see the site is back. Enjoy the puzzle.

Code:

+-------+-------+-------+
| 5 . . | . 8 7 | . . . |
| . . . | 5 . . | 9 . 4 |
| . . . | . . 9 | . 7 . |
+-------+-------+-------+
| . 9 . | . 6 . | . . 1 |
| 6 . . | 9 . 4 | . . . |
| 3 . 4 | . 7 . | . 6 . |
+-------+-------+-------+
| . 7 . | . . . | . 4 8 |
| . . 6 | . . 2 | 1 3 5 |
| . 3 . | 1 . . | 7 9 . |
+-------+-------+-------+

Play this puzzle online at the Daily Sudoku site

cheers...immp
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TomC



Joined: 30 Oct 2020
Posts: 358
Location: Wales
PostPosted: Sun Jun 04, 2023 2:02 pm    Post subject: Reply with quote
Code:

+-------------------+---------------+--------+
|  5    24      9   | d34   8    7  | 6 1 23 |
| a17   126    b137 |  5   f123 c16 | 9 8 4  |
|  148  12468  x138 | e346  123  9  | 5 7 23 |
+-------------------+---------------+--------+
|  27   9       27  |  8    6    3  | 4 5 1  |
|  6    158     18  |  9    15   4  | 3 2 7  |
|  3    15      4   |  2    7    15 | 8 6 9  |
+-------------------+---------------+--------+
|  19   7       15  |  36   359  56 | 2 4 8  |
|  489  48      6   |  7    49   2  | 1 3 5  |
|  24   3       25  |  1    45   8  | 7 9 6  |
+-------------------+---------------+--------+

Play this puzzle online at the Daily Sudoku site

Remove <3> from r3c3 to solve

If x=3, ab=<17>, c=6, de=<34>, f<>3, b=3


Or, you could see it as whatever you put in c <16>, b must be <3>
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dongrave



Joined: 06 Mar 2014
Posts: 568
PostPosted: Mon Jun 05, 2023 1:32 pm    Post subject: Reply with quote
Thanks for the puzzle immp! After basics:

Code:
+-----------------+---------------+-------------+
|  5   d24    9   | e34   8    7  | 6   1   23  |
| a17  c12*6  137 |  5   f123 b16 | 9   8   4   |
|  148  12468 138 |  346  123  9  | 5   7   23  |
+-----------------+---------------+-------------+
|  27   9     27  |  8    6    3  | 4   5   1   |
|  6    158   18  |  9    15   4  | 3   2   7   |
|  3    15    4   |  2    7    15 | 8   6   9   |
+-----------------+---------------+-------------+
|  19   7     15  |  36   359  56 | 2   4   8   |
|  489  48    6   |  7    49   2  | 1   3   5   |
|  24   3     25  |  1    45   8  | 7   9   6   |
+-----------------+---------------+-------------+

Then I used the chain: 1r2c1-(1=6)r2c6-(16=2*)r2c2-(2=4)r1c2-(4=3)r1c4-(2*3=1)r2c5 contradiction => r2c1 <> 1; stte.
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