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VH+ 102522

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immpy

Joined: 06 May 2017
Posts: 571

Posted: Tue Oct 25, 2022 9:40 pm Post subject: VH+ 102522

Hello all, enjoy the puzzle.

Code:

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

Play this puzzle online at the Daily Sudoku site

cheers...immp

dongrave

Joined: 06 Mar 2014
Posts: 568

Posted: Wed Oct 26, 2022 2:01 pm Post subject:

After basics:

Code:

+---------------+-----------------+-----------------+
| 3 6 1 | 4 78 9 | 2 78 5 |
| 49 489 2 | 1678 5 168 | 3 478 4678 |
| 7 5 a48 | b68 23 23 | 468 9 1 |
+---------------+-----------------+-----------------+
| 16 17 369 | 2 34789 5 | 48 3478 3478 |
| 5 2 39 | 789 34789 38 | 1 6 3478 |
| 8 d47 3-4 | c67 9 36 | 5 2 9 |
+---------------+-----------------+-----------------+
| 1246 148 468 | 5 289 7 | 4689 1348 23468 |
| 246 3 7 | 189 289 128 | 4689 5 2468 |
| 129 189 5 | 3 6 4 | 7 18 28 |
+---------------+-----------------+-----------------+

Then I used the XY-Chain (4=8)r3c3-(8=6)r3c4-(6=7)r6c4-(7=4)r6c2 => r6c3 <> 4; stte.

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