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Neat multi-step 100819

 
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immpy



Joined: 06 May 2017
Posts: 574
PostPosted: Wed Oct 09, 2019 3:41 am    Post subject: Neat multi-step 100819 Reply with quote
Have fun, enjoy the puzzle...

Code:

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

Play this puzzle online at the Daily Sudoku site

cheers...immp
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 1019
Location: Rimini, Italy
PostPosted: Wed Oct 09, 2019 9:08 am    Post subject: Reply with quote
Hi everyone,

Code:

+-----------+--------------+------------+
| 5 347 379 | 3479 2   479 | 6   1  8   |
| 1 8   379 | 6    349 5   | 479 39 2   |
| 2 347 6   | 8    1   479 | 479 5  379 |
+-----------+--------------+------------+
| 8 1   2   | 49   49  3   | 5   7  6   |
| 7 6   5   | 2    8   1   | 3   49 49  |
| 3 9   4   | 5    7   6   | 2   8  1   |
+-----------+--------------+------------+
| 9 5   37  | 34   6   8   | 1   2  347 |
| 4 37  8   | 1    5   2   | 79  6  379 |
| 6 2   1   | 3479 349 479 | 8   34 5   |
+-----------+--------------+------------+

Play this puzzle online at the Daily Sudoku site

AIC in r7c3
if r7c3=3 r8c2=7
if r7c3=7 r2c7=7 r2c5=4 r9c5=3 r2c8=3 r3c2=3 r8c2=7

Ciao Gianni
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Clement



Joined: 24 Apr 2006
Posts: 1113
Location: Dar es Salaam Tanzania
PostPosted: Thu Oct 17, 2019 3:54 pm    Post subject: Neat multi-step 100819 Reply with quote
Code:

+---------------------+------------------------+----------------------+
| 5      347      379 | 3479      2        479 | 6        1       8   |
| 1      8        379 | 6        d39-4     5   | 479      39      2   |
| 2      347      6   | 8         1        479 | 479      5       379 |
+---------------------+------------------------+----------------------+
| 8      1        2   |D49       E49       3   | 5        7       6   |
| 7      6        5   | 2         8        1   | 3        49      49  |
| 3      9        4   | 5         7        6   | 2        8       1   |
+---------------------+------------------------+----------------------+
| 9      5        37  |C347       6        8   | 1        2      a347 |
| 4      37       8   | 1         5        2   | 79       6       379 |
| 6      2        1   |B3479    Bc349     B479 | 8      Ab34      5   |
+---------------------+------------------------+----------------------+

Neat single-stepper
Kraken Box [4]r7c9,r9c8
(4)r7c9 - (4=3)r9c8 - r9c5 = (3-4)r2c5
(4)r9c8 - r9c456 = r4c7 - r4c4 = r4c5 => - 4r2c5; lclste
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