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VH+ 082821

 
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immpy



Joined: 06 May 2017
Posts: 455

PostPosted: Sat Aug 28, 2021 5:55 pm    Post subject: VH+ 082821 Reply with quote

Hello all, more fun. Enjoy the puzzle...

Code:

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

Play this puzzle online at the Daily Sudoku site

cheers...immp
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TomC



Joined: 30 Oct 2020
Posts: 109
Location: Wales

PostPosted: Sun Aug 29, 2021 7:12 am    Post subject: Reply with quote

Code:

+-------------+-----------+----------+
| 134 8  34   | 2 39  7   | 19 5 6   |
| 9   7  5    | 4 1   6   | 8  2 3   |
| 6   12 23   | 8 359 59  | 19 4 7   |
+-------------+-----------+----------+
| 134 5  349  | 7 6   39  | 2  8 149 |
| 8   12 7    | 5 29  4   | 3  6 19  |
| 34  6  2349 | 1 8   239 | 5  7 49  |
+-------------+-----------+----------+
| 2   4  1    | 3 7   8   | 6  9 5   |
| 5   9  8    | 6 4   1   | 7  3 2   |
| 7   3  6    | 9 25  25  | 4  1 8   |
+-------------+-----------+----------+

Play this puzzle online at the Daily Sudoku site

r3c5 <>3 as if you follow the loop abcde or edcba it puts it back in there

Code:

+--------------+-----------+----------+
| 134 8   34   | 2 39a  7  | 19 5 6   |
| 9   7   5    | 4 1   6   | 8  2 3   |
| 6   12d 23e  | 8 359 59  | 19 4 7   |
+--------------+-----------+----------+
| 134 5  349   | 7 6   39  | 2  8 149 |
| 8   12c 7    | 5 29b  4  | 3  6 19  |
| 34  6  2349  | 1 8   239 | 5  7 49  |
+--------------+-----------+----------+
| 2   4  1     | 3 7   8   | 6  9 5   |
| 5   9  8     | 6 4   1   | 7  3 2   |
| 7   3  6     | 9 25  25  | 4  1 8   |
+--------------+-----------+----------+
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Mogulmeister



Joined: 03 May 2007
Posts: 873

PostPosted: Sun Aug 29, 2021 8:59 am    Post subject: Reply with quote

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Mogulmeister



Joined: 03 May 2007
Posts: 873

PostPosted: Sun Aug 29, 2021 9:01 am    Post subject: Reply with quote

Set A (green) {1,2,3,4}
Set B (Beige) {2,3,9}

Restricted Common (Z) is 3

Common Candidate (X) is 2 (red)

R5c2 <> 2
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Mogulmeister



Joined: 03 May 2007
Posts: 873

PostPosted: Sun Aug 29, 2021 9:09 am    Post subject: Reply with quote

TomC wrote:


r3c5 <>3 as if you follow the loop abcde or edcba it puts it back in there

Code:

+--------------+-----------+----------+
| 134 8   34   | 2 39a  7  | 19 5 6   |
| 9   7   5    | 4 1   6   | 8  2 3   |
| 6   12d 23e  | 8 359 59  | 19 4 7   |
+--------------+-----------+----------+
| 134 5  349   | 7 6   39  | 2  8 149 |
| 8   12c 7    | 5 29b  4  | 3  6 19  |
| 34  6  2349  | 1 8   239 | 5  7 49  |
+--------------+-----------+----------+
| 2   4  1     | 3 7   8   | 6  9 5   |
| 5   9  8     | 6 4   1   | 7  3 2   |
| 7   3  6     | 9 25  25  | 4  1 8   |
+--------------+-----------+----------+


Nice one Tom.

If you plug 3 into r3c5 the loop a to e removes it ?
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TomC



Joined: 30 Oct 2020
Posts: 109
Location: Wales

PostPosted: Sun Aug 29, 2021 9:15 am    Post subject: Reply with quote

Indeed, I just noticed that this a2e loop also removes the 3's in r1c13 as well
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Mogulmeister



Joined: 03 May 2007
Posts: 873

PostPosted: Sun Aug 29, 2021 9:31 am    Post subject: Reply with quote

TomC wrote:
Indeed, I just noticed that this a2e loop also removes the 3's in r1c13 as well


Coming full circle remember the Batman v yellow teeth ?

The 3ís at a and e are the pincers at the end of an xy- chain. Either the 3 in a or the 3 in e is true. Whichever is true, r1c13 and r3c5 <> 3
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