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immpy
Joined: 06 May 2017
Posts: 574
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 Posted: Wed Nov 02, 2022 7:13 pm Post subject: VH+ 110222 |
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Hello all, enjoy the puzzle.
| Code: |
+-------+-------+-------+
| . . . | 5 . 8 | . . 7 |
| . . . | 6 . 7 | 8 . . |
| . . 6 | . . 2 | . 4 . |
+-------+-------+-------+
| 5 6 . | . . 3 | . 9 . |
| . . . | . . . | 5 . . |
| 1 2 . | 9 . 5 | 4 6 . |
+-------+-------+-------+
| . 1 . | . 3 9 | . . . |
| . . 3 | 4 . 1 | . . . |
| 2 . . | . . . | . . 4 |
+-------+-------+-------+
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Play this puzzle online at the Daily Sudoku site
cheers...immp |
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dongrave
Joined: 06 Mar 2014
Posts: 572
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| Posted: Thu Nov 03, 2022 2:16 pm Post subject: |
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After basics:
| Code: | +--------------+---------------+---------------+
| 39 4 12 | 5 19 8 | 6 23 7 |
| 39 5 12 | 6 4 7 | 8 23 19 |
| 78 78 6 | 3 19 2 | 19 4 5 |
+--------------+---------------+---------------+
| 5 6 4 | 1278 278 3 | 127 9 128 |
| a78 3 9 | 12 6 4 | 5 7-8 12 |
| 1 2 b78 | 9 78 5 | 4 6 3 |
+--------------+---------------+---------------+
| 4 1 c578 | 278 3 9 | 27 f578 6 |
| 6 d78 3 | 4 2578 1 | 279 e578 e289 |
| 2 9 c578 | 78 578 6 | 3 1 4 |
+--------------+---------------+---------------+ |
Then I used the chain 8r5c1=r6c3-r79c3=r8c2-r8c89=r7c8 => r5c8 <> 8; stte. |
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glesco
Joined: 12 May 2022
Posts: 39
Location: North Vancouver, BC, Canada
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| Posted: Thu Nov 03, 2022 6:28 pm Post subject: |
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I used a finned xwing to remove 7&8 from r8c5. Remote pairs also works.
A x-chain to remove 2 from r8c9
A xyz wing to remove 8 from r8c9 |
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TomC
Joined: 30 Oct 2020
Posts: 359
Location: Wales
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| Posted: Sat Nov 05, 2022 10:14 am Post subject: |
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Nice puzzle Immpy!
I started off seeing that if r4c5=8, r6c5=7 would give <12> UR in r45c49
But then if r4c4=8, r6c5=7 you can follow the <78> pairs around the grid to get r6c5=8, this left me a <127> triple in box 5
So remove <7> from r6c5 to solve |
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