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Unfair 012220

 
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immpy



Joined: 06 May 2017
Posts: 571
PostPosted: Thu Jan 23, 2020 4:00 am    Post subject: Unfair 012220 Reply with quote
Hello all, many options for solving. Enjoy the puzzle...

Code:

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

Play this puzzle online at the Daily Sudoku site

cheers...immp
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
PostPosted: Sat Jan 25, 2020 8:58 pm    Post subject: Unfair 012220 Reply with quote
Code:

+-----------------------+------------------------+-----------------------+
|e679*     5       3    | 168     b1678     c47  |d1469      2       f16 |
| 8        246     469  | 136      1236      34  | 1469      5        7  |
| 1        27      46   | 5        27        9   |e468      e68       3  |
+-----------------------+------------------------+-----------------------+
| 35       16      8    | 9        4         35  | 7         16       2  |
| 356      146     1456 | 2       a37        357 | 16        9        8  |
| 2        9       7    | 68       68        1   | 5         3        4  |
+-----------------------+------------------------+-----------------------+
| 567      167     156  | 4       j15-3      2   | 1368      168      9  |
| 4        8       2    | 13       9         6   | 13        7        5  |
|h569      3       1569 | 7       i15        8   | 2         4       g16*|
+-----------------------+------------------------+-----------------------+

(3=7)r5c5 - r1c5 = (7-4)r1c6 = (4-9)r1c7 = ((9*)r1c1& - (4=86)r3c78)) - (6=1)r1c9 - (1=6*)r9c9 - (6*9*=5)r9c1 - r9c5 = (5)r7c5 => - 3r7c5; stte
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