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Another one from 1sudoku

 
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dongrave



Joined: 06 Mar 2014
Posts: 563

PostPosted: Sun Aug 28, 2016 3:23 pm    Post subject: Another one from 1sudoku Reply with quote

Boy, I had a heck of a time finding all the basics in this one!
Code:

nš54644 Evil
 +-------+-------+-------+
 | . . 5 | . . . | . . . |
 | . . 6 | 3 . . | . 4 . |
 | 8 2 4 | . . 5 | . . . |
 +-------+-------+-------+
 | . 4 . | . 6 2 | 1 . . |
 | . . . | 9 . 7 | . . . |
 | . . 8 | 5 1 . | . 7 . |
 +-------+-------+-------+
 | . . . | 1 . . | 5 9 6 |
 | . 1 . | . . 3 | 4 . . |
 | . . . | . . . | 3 . . |
 +-------+-------+-------+ 
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bat999



Joined: 09 Jul 2015
Posts: 55
Location: UK

PostPosted: Mon Aug 29, 2016 8:50 pm    Post subject: Reply with quote

Code:
.--------------.---------------------.---------------.
| 13   39  5   |  24      248    169 |  7   268  289 |
| 17   79  6   |  3      c28     19  | b28  4    5   |
| 8    2   4   | a67      9-7    5   | b69  3    1   |
:--------------+---------------------+---------------:
| 379  4   37  |  8       6      2   |  1   5    39  |
| 2    5   1   |  9       3      7   |  68  68   4   |
| 39   6   8   |  5       1      4   | b29  7    239 |
:--------------+---------------------+---------------:
| 4    37  237 |  1      c27     8   |  5   9    6   |
| 56   1   279 |  26-7    2579   3   |  4   28   278 |
| 56   8   279 |  246-7   24579  69  |  3   1    27  |
'--------------'---------------------'---------------'
(7=6)r3c4 - (6=8)r236c7 - (8=7)r27c5 => -7 r3c5,r89c4; stte
Cool
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Clement



Joined: 24 Apr 2006
Posts: 1110
Location: Dar es Salaam Tanzania

PostPosted: Mon Aug 29, 2016 11:44 pm    Post subject: Another one from sudoku Reply with quote

Code:

+------------+----------------+------------+
| 13  39 5   | 24   248   c169 | 7  b268 a289 |
| 17  79 6   | 3    g28    19  | ah28 4   5   |
| 8   2  4   | d67   e79    5   | 6-9 3   1   |
+------------+----------------+------------+
| 379 4  37  | 8    6     2   | 1  5   3-9  |
| 2   5  1   | 9    3     7   | 68 68  4   |
| 39  6  8   | 5    1     4   | i29 7   239 |
+------------+----------------+------------+
| 4   37 237 | 1    f27    8   | 5  9   6   |
| 56  1  279 | 267  2579  3   | 4  28  278 |
| 56  8  279 | 2467 24579 69  | 3  1   27  |
+------------+----------------+------------+

(9=28)r1c9,r2c7 - (28=6)r1c8 - r1c6 = (6-7)r3c4 = r3c5 - (7=2)r7c5 - (2=8)r2c5 - (8=2)r2c7 - (2=9)r6c7 => -9 r3c7, r4c9; stte
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dongrave



Joined: 06 Mar 2014
Posts: 563

PostPosted: Tue Aug 30, 2016 4:23 pm    Post subject: Reply with quote

Good ones guys! I eventually found the following after searching for what seemed like all day: 7r7c2=(7-9)r2c2=r2c6-(9=7)r3c5=>r7c5<>7.
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

PostPosted: Wed Aug 31, 2016 1:36 am    Post subject: Reply with quote

Code:

+------------+----------------+------------+
| 13  39 5   | 24   248   169 | 7  268 289 |
| 17  79 6   | 3    28    19  | 28 4   5   |
| 8   2  4   | 67   79    5   | 69 3   1   |
+------------+----------------+------------+
| 379 4  37  | 8    6     2   | 1  5   39  |
| 2   5  1   | 9    3     7   | 68 68  4   |
| 39  6  8   | 5    1     4   | 29 7   239 |
+------------+----------------+------------+
| 4   37 237 | 1    27    8   | 5  9   6   |
| 56  1  279 | 267  2579  3   | 4  28  278 |
| 56  8  279 | 2467 24579 69  | 3  1   27  |
+------------+----------------+------------+

Play this puzzle online at the Daily Sudoku site

W-Wing (28) in b39 with SL 8 in c9. The 2 in r2c7 can be transported to r6c9=> -2r1c8,r89c9. After a few basics therefrom there is an XY-Wing (67-9) pivoted in r8c4 which finishes it off. Pretty tough puzzle for a non-chain solution.
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