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Extreme 093020

 
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immpy



Joined: 06 May 2017
Posts: 574
PostPosted: Thu Oct 01, 2020 12:12 am    Post subject: Extreme 093020 Reply with quote
Hello all, enjoy the puzzle...

Code:

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

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 Oct 01, 2020 5:02 pm    Post subject: Extreme 093020 Reply with quote
Code:

+---------------------+----------------+----------------------+
| 7      1269    126  | 5   d38    38  | 4       19      129  |
|g58*    1589    15   | 4    2     6   | 1359    7       1359 |
|g45   gf245     3    | 7    1     9   | 6       8       25   |
+---------------------+----------------+----------------------+
|e3*5    7      e56   | 8   d36    2   | 19      4       19   |
| 1      23456   2456 | 9    367   357 | 23      235     8    |
| 9     e235     8    | 1    4     35  | 7       235     6    |
+---------------------+----------------+----------------------+
| 6      58     c57   | 3   d78    1   | 29      29      4    |
| 2      13      9    | 6    5     4   | 8       13      7    |
|h348    1348  ba17-4 | 2    9     78  | 135     6       135  |
+---------------------+----------------+----------------------+

4r9c3 = (4-7)r9c3 = r7c3 - (7=836)r714c5 - (6=53*2)b4p318 - (2)r3c2 = (4|58*)b1p874 - (3*8*=4)r9c1 => - 4r9c3; lclste
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dongrave



Joined: 06 Mar 2014
Posts: 572
PostPosted: Sun Oct 04, 2020 2:20 pm    Post subject: Reply with quote
Code:
+--------------+------------+---------------+
| 7   1269 126 | 5  38  38  | 4    19  129  |
| 58  1589 15  | 4  2   6   | 1359 7   1359 |
| 45  245  3   | 7  1   9   | 6    8   25   |
+--------------+------------+---------------+
| 35  7    56  | 8  36  2   | 19   4   19   |
| 1   2346 246 | 9  367 357 | 23   235 8    |
| 9   23   8   | 1  4   35  | 7    235 6    |
+--------------+------------+---------------+
| 6   58   57  | 3  78  1   | 29   29  4    |
| 2   13   9   | 6  5   4   | 8    13  7    |
| 348 1348 147 | 2  9   78  | 135  6   135  |
+--------------+------------+---------------+

7*r9c6-(7=3|5)r56c6-(3=6)r4c5-(6=5)r4c3-(5=3*)r4c1-(3=2)r6c2-(2=4|5)r3c12-(5=8)r2c1-(3*8=4)r9c1-(47*=1)r9c3-(1=5)r2c3; contradiction (i.e. 5r24c3) => r9c6 <> 7; stte.
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