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Helmut's Advanced 07/21/18

 
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dongrave



Joined: 06 Mar 2014
Posts: 572
PostPosted: Sat Jul 21, 2018 4:58 pm    Post subject: Helmut's Advanced 07/21/18 Reply with quote
Today's Helmut Advanced puzzle.
Code:
 +-------+-------+-------+
 | . 8 . | . . . | 7 . . |
 | . 1 5 | . 3 . | 4 . . |
 | . . . | . . . | . . 3 |
 +-------+-------+-------+
 | . . . | 1 4 . | 3 8 . |
 | 6 . . | 9 . 3 | . . 1 |
 | . 2 3 | . 8 6 | . . . |
 +-------+-------+-------+
 | 7 . . | . . . | . . . |
 | . . 1 | . 2 . | 8 5 . |
 | . . 6 | . . . | . 3 . |
 +-------+-------+-------+
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 1019
Location: Rimini, Italy
PostPosted: Sat Jul 21, 2018 7:32 pm    Post subject: Reply with quote
Hi everyone,

first step
Skyscraper with number 1 in r1c68,r7c58 and -1 in r3c5,r9c6

second step
W-Wing with 1,2 in r3c8,r9c7 connected by number 2 in r5c78 and -1 in r3c7,r7c8.

Ciao Gianni
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Sun Jul 22, 2018 10:58 am    Post subject: Reply with quote
Code:
 *-----------------------------------------------------------*
 | 3     8     4     |a25    6     15    | 7    b129   59-2  |
 | 29    1     5     | 27    3     79    | 4     6     8     |
 | 29    6     7     | 8     159   4     | 125   12    3     |
 *-------------------+-------------------+-------------------|
 | 5     7     9     | 1     4     2     | 3     8     6     |
 | 6     4     8     | 9     57    3     | 25    27    1     |
 | 1     2     3     |a57    8     6     | 59   b479   459   |
 *-------------------+-------------------+-------------------|
 | 7     59    2     | 3     159   8     | 6    b149   49    |
 | 4     3     1     | 6     2     79    | 8     5     79    |
 | 8     59    6     | 4     1579  15    | 129   3     279   |
 *-----------------------------------------------------------*
[(2=7)r16c4-(7=2)r1367c8]-2r1c9; ste
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dongrave



Joined: 06 Mar 2014
Posts: 572
PostPosted: Sun Jul 22, 2018 2:14 pm    Post subject: Reply with quote
Wow! Dan's solution sure is a lot shorter than mine! I was all over the map.
Code:
+-----------+-------------+-------------+
| 3   8   4 | 25  6    15 | 7   129 259 |
| 29  1   5 | 27  3    79 | 4   6   8   |
| 29  6   7 | 8   159  4  | 125 12  3   |
+-----------+-------------+-------------+
| 5   7   9 | 1   4    2  | 3   8   6   |
| 6   4   8 | 9   57   3  | 25  27  1   |
| 1   2   3 | 57  8    6  | 59  479 459 |
+-----------+-------------+-------------+
| 7   59  2 | 3   159  8  | 6   149 49  |
| 4   3   1 | 6   2    79 | 8   5   79  |
| 8   59  6 | 4   1579 15 | 129 3   279 |
+-----------+-------------+-------------+

(9=7)r8c6-r2c6=r2c4-r6c4=r5c5-r5c8=(7-4)r6c8=r7c8-(4=9)r7c9=>r8c9<>9.
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