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VH+ 112622

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immpy

Joined: 06 May 2017
Posts: 574

Posted: Sat Nov 26, 2022 2:43 pm Post subject: VH+ 112622

Hello all, enjoy the puzzle.

Code:

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

Play this puzzle online at the Daily Sudoku site

cheers...immp

dongrave

Joined: 06 Mar 2014
Posts: 572

Posted: Sun Dec 04, 2022 4:00 pm Post subject:

Thanks for the puzzle, immp!

After basics:

Code:

+------------------+-----------------+---------------+
| 1 3456 c56 | 45 28 28 | 7 345 9 |
| 9 245 25 | 7 3 6 | 28 2458 1 |
| 8 23 7 | 45 19 19 | 6 23 45 |
+------------------+-----------------+---------------+
| 6 89 3 | 1 28 5 | 4 29 7 |
| 5-7 1 b58 | 29 4 a78 | 29 6 3 |
| 2 h79 4 | 369 g69 379 | 5 1 8 |
+------------------+-----------------+---------------+
| 3 567 d569 | 8 f169 4 | e19 579 2 |
| 47 2678 1 | 269 5 29 | 3 4789 46 |
| 45 2568 25689 | 2369 7 1239 | 189 4589 456 |
+------------------+-----------------+---------------+

Then I used the chain (7=8)r5c6-(8=5)r5c3-(5=6)r1c3-(56=9)r7c3-(9=1)r7c7-(19=6)r7c5-(6=9)r6c5-(9=7)r6c2 => r5c1 <> 7; stte.

Clement

Joined: 24 Apr 2006
Posts: 1113
Location: Dar es Salaam Tanzania

Posted: Mon Dec 05, 2022 11:07 am Post subject: VH+ 112622

Code:

+------------------+-------------------+------------------+
| 1 3456 256 | 45 28 28 | 7 345 9 |
| 9 245 25 | 7 3 6 | 28 2458 1 |
| 8 23 7 | 45 19 19 | 6 23 45 |
+------------------+-------------------+------------------+
| 6 f89 3 | 1 28 5 | 4 29 7 |
| 57 1 58 | 29 4 78 | 29 6 3 |
| 2 7-9 4 | 369 a69 379 | 5 1 8 |
+------------------+-------------------+------------------+
| 3 567 c569 | 8 b169 4 |b19 579 2 |
| 47 e2678 1 | 269 5 29 | 3 4789 46 |
| 45 e2568 d25689| 2369 7 1239 | 189 4589 456 |
+------------------+-------------------+------------------+

(9=6)r6c5 - (6=1|9)r7c57 - (9)r7c3 = (9-8)r9c3 = (8)r89c2 - (8=9)r4c2 => - 9r6c2; stte

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