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VH+ 101020

 
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immpy



Joined: 06 May 2017
Posts: 571
PostPosted: Sat Oct 10, 2020 3:43 pm    Post subject: VH+ 101020 Reply with quote
Hello all, enjoy the puzzle...

Code:

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

Play this puzzle online at the Daily Sudoku site

cheers...immp
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dongrave



Joined: 06 Mar 2014
Posts: 568
PostPosted: Sun Oct 11, 2020 11:13 am    Post subject: Reply with quote
Code:
+--------------+-------------+-------------+
| 4  5     36  | 1   68  9   | 38   2   7  |
| 7  1     8   | 2   3   5   | 49   49  6  |
| 9  36    2   | 4   68  7   | 138  138 5  |
+--------------+-------------+-------------+
| 3  2     9   | 8   1   6   | 5    7   4  |
| 58 48    7   | 39  459 34  | 2    6   1  |
| 1  46    456 | 7   45  2   | 389  389 89 |
+--------------+-------------+-------------+
| 2  3489  34  | 369 7   1   | 4689 5   89 |
| 58 79    45  | 69  2   48  | 1679 19  3  |
| 6  34789 1   | 5   49  348 | 4789 489 2  |
+--------------+-------------+-------------+

(4=8)r5c2-r5c1=r8c1-(8=4)r8c6 => r5c6 <> 4; stte.
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immpy



Joined: 06 May 2017
Posts: 571
PostPosted: Mon Oct 12, 2020 5:34 pm    Post subject: Reply with quote
Nice chain dongrave, which is essentially a W-Wing 4/8 connected by 8. This also makes the same elimination in r5c6.

cheers...immp
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