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VH+ 112622

 
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immpy



Joined: 06 May 2017
Posts: 570

PostPosted: Sat Nov 26, 2022 2:43 pm    Post subject: VH+ 112622 Reply with quote

Hello all, enjoy the puzzle.

Code:

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

Play this puzzle online at the Daily Sudoku site

cheers...immp
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dongrave



Joined: 06 Mar 2014
Posts: 563

PostPosted: Sun Dec 04, 2022 4:00 pm    Post subject: Reply with quote

Thanks for the puzzle, immp!

After basics:
Code:
+------------------+-----------------+---------------+
| 1    3456 c56    | 45    28   28   |  7   345  9   |
| 9    245   25    | 7     3    6    |  28  2458 1   |
| 8    23    7     | 45    19   19   |  6   23   45  |
+------------------+-----------------+---------------+
| 6    89    3     | 1     28   5    |  4   29   7   |
| 5-7  1    b58    | 29    4   a78   |  29  6    3   |
| 2   h79    4     | 369  g69   379  |  5   1    8   |
+------------------+-----------------+---------------+
| 3    567  d569   | 8    f169  4    | e19  579  2   |
| 47   2678  1     | 269   5    29   |  3   4789 46  |
| 45   2568  25689 | 2369  7    1239 |  189 4589 456 |
+------------------+-----------------+---------------+

Then I used the chain (7=8)r5c6-(8=5)r5c3-(5=6)r1c3-(56=9)r7c3-(9=1)r7c7-(19=6)r7c5-(6=9)r6c5-(9=7)r6c2 => r5c1 <> 7; stte.
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Clement



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

PostPosted: Mon Dec 05, 2022 11:07 am    Post subject: VH+ 112622 Reply with quote

Code:

+------------------+-------------------+------------------+
| 1    3456   256  | 45     28    28   | 7     345    9   |
| 9    245    25   | 7      3     6    | 28    2458   1   |
| 8    23     7    | 45     19    19   | 6     23     45  |
+------------------+-------------------+------------------+
| 6   f89     3    | 1      28    5    | 4     29     7   |
| 57   1      58   | 29     4     78   | 29    6      3   |
| 2    7-9    4    | 369   a69    379  | 5     1      8   |
+------------------+-------------------+------------------+
| 3    567   c569  | 8     b169   4    |b19    579    2   |
| 47  e2678   1    | 269    5     29   | 3     4789   46  |
| 45  e2568  d25689| 2369   7     1239 | 189   4589   456 |
+------------------+-------------------+------------------+

(9=6)r6c5 - (6=1|9)r7c57 - (9)r7c3 = (9-8)r9c3 = (8)r89c2 - (8=9)r4c2 => - 9r6c2; stte
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