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hughwill
Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK
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 Posted: Fri Nov 30, 2018 10:21 am Post subject: Nov 30 NVH |
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| Code: |
+--------------+-----------+------------------+
| 6 5 9 | 4 2 8 | 1 3 7 |
| 3 2 8 | 1 5 7 | 469 69 46 |
| 4 1 7 | 9 6 3 | 58 2 58 |
+--------------+-----------+------------------+
| 8 69 2456 | 35 7 1 | 234569 569 2456 |
| 15 3 1245 | 6 48 9 | 2458 7 2458 |
| 7 69 456 | 358 348 2 | 345689 5689 1 |
+--------------+-----------+------------------+
| 2 4 36 | 38 1 5 | 7 68 9 |
| 59 689 356 | 7 389 4 | 2568 1 2568 |
| 159 7 15 | 2 89 6 | 58 4 3 |
+--------------+-----------+------------------+
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Play this puzzle online at the Daily Sudoku site
Check the Grade: =VH
r8c2=8 (basic move)
Check the Grade: =H
Another algorithm fail! |
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immpy
Joined: 06 May 2017
Posts: 574
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| Posted: Fri Nov 30, 2018 11:55 pm Post subject: |
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| Please check out my latest thread in "Other Puzzles" for something with a little more meat to it. Thanks. |
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RobertRattley
Joined: 24 Jun 2007
Posts: 118
Location: Australia
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| Posted: Sun Dec 02, 2018 6:31 pm Post subject: |
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I could not see how to solve this puzzle without "very hard" steps.
I found an x-wing 8 and an xy-wing 345. |
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ZeroAssoluto
Joined: 05 Feb 2017
Posts: 1019
Location: Rimini, Italy
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| Posted: Sun Dec 02, 2018 7:53 pm Post subject: |
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Hi Robert,
you can clean the scheme with:
r8c2=8
naked pair 5,8 in r39c7
locked number 6 in r78c3
locked number 5 in r36c8
locked number 5 in r5c13 and r6c3=4
and it's ok.
Ciao Gianni |
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RobertRattley
Joined: 24 Jun 2007
Posts: 118
Location: Australia
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| Posted: Mon Dec 03, 2018 1:16 pm Post subject: |
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Gianni
Thank you kindly |
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