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VH++ 122724

 
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immpy



Joined: 06 May 2017
Posts: 573
PostPosted: Fri Dec 27, 2024 4:45 pm    Post subject: VH++ 122724 Reply with quote
Hello all. Happy Holidays to all of you. Enjoy the puzzle.

Code:

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

Play this puzzle online at the Daily Sudoku site

cheers...immp
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Clement



Joined: 24 Apr 2006
Posts: 1113
Location: Dar es Salaam Tanzania
PostPosted: Thu Jan 09, 2025 2:29 pm    Post subject: VH++ 122724 Reply with quote
Two Steps
Code:

+-------------------+-----------------+-------------------+
| 12     4      79  | 8      29    5  | 3       6    127  |
| 5     c67     8   |i13     26   h13 |d27      9    4    |
| 12     3      69  | 4      69    7  |e28      5    128  |
+-------------------+-----------------+-------------------+
| 3      59     2   | 69     7     68 | 4       1    58   |
| 4      8      1   | 5      3     2  | 6       7    9    |
| 6     b579   a57  | 19     4    g18 |f58      2    3    |
+-------------------+-----------------+-------------------+
| 78     56     4   | 2      58    9  | 1       3    567  |
| 789    1      356 | 367    58    36 | 2579    4    2567 |
| 79     2     k36-5|j367    1     4  | 579     8    567  |
+-------------------+-----------------+-------------------+

Step 1): (5=7)r6c3 - r6c2 = r2c2 - (7=2)r2c7 - (2=8)r3c7 - r6c7 = (8-1)r6c6 = r2c6 - (1=3)r2c4 - r9c4 = (3)r9c3 => - 5r9c3
Code:

+---------------------+-------------------+-------------------+
| 12      4       79  | 8       29     5  | 3       6    b127 |
| 5      d67      8   | 13      26     13 |c27      9     4   |
| 12      3       69  | 4       69     7  | 28      5     128 |
+---------------------+-------------------+-------------------+
| 3       59      2   | 69      7      68 | 4       1     58  |
| 4       8       1   | 5       3      2  | 6       7     9   |
| 6       579     57  | 19      4      18 | 58      2     3   |
+---------------------+-------------------+-------------------+
| 78      5-6      4  | 2       58     9  | 1       3    a67  |
| 789     1       356 | 367     58     36 | 279     4     267 |
| 79      2       36  | 367     1      4  | 579     8     567 |
+---------------------+-------------------+-------------------+

Step 2): (6=7)r7c9 - r1c9 = r2c7 - (7=6)r2c2 => - 6r7c2; stte
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