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Bern.B
Joined: 14 Dec 2012
Posts: 9
Location: Edmonton,Canada
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 Posted: Fri Dec 14, 2012 11:26 pm Post subject: Help with logic |
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http://www.dailysudoku.com/sudoku/play.shtml#
In the above link is a Soduko in which the latest entry is a 2 in R9,C9.
I do not see the logic for placing a 2 there.
Thanks for the help
PS click LOAD on the site |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Sat Dec 15, 2012 1:19 am Post subject: |
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| This link goes to a blank grid. Clicking Load will insert the last puzzle that I had saved. Where is the puzzle for which you want your question answered? |
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Bern.B
Joined: 14 Dec 2012
Posts: 9
Location: Edmonton,Canada
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| Posted: Sat Dec 15, 2012 2:05 am Post subject: |
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| Code: |
+--------------+------------+----------------+
| 78 2478 478 | 36 1 9 | 2346 23467 5 |
| 6 245 1 | 35 7 345 | 234 8 9 |
| 3 9 457 | 2 8 456 | 46 1467 14 |
+--------------+------------+----------------+
| 789 478 3 | 789 2 17 | 5 14 6 |
| 589 58 6 | 389 4 13 | 7 123 128 |
| 1 478 2 | 3678 5 367 | 9 34 48 |
+--------------+------------+----------------+
| 2 6 9 | 4 3 8 | 1 5 7 |
| 578 1 578 | 57 9 2 | 46 46 3 |
| 4 3 578 | 1 6 57 | 28 9 28 |
+--------------+------------+----------------+
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Play this puzzle online at the Daily Sudoku site
Sorry, here is the code.
From here on I could not go any further and using HINT it placed a 2 in r9,c9. What is the logic here?
Thanks |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Sat Dec 15, 2012 2:32 am Post subject: |
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| OK. I don't know you or your level of experience. So I'll just say to look very closely at column 7. Just ask again if that doesn't help. |
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Bern.B
Joined: 14 Dec 2012
Posts: 9
Location: Edmonton,Canada
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| Posted: Sat Dec 15, 2012 3:12 am Post subject: |
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Yes, thanks I see it now.
8 is the only number in c7 making 2 the only number in r9,c9.
I just started playing Soduko recently and learning it.
Thanks again for your help. |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Sat Dec 15, 2012 4:46 am Post subject: |
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| You're welcome. I'm mildly curious why the hint wasn't for 8 in r9c7 since that occurs before the 2 goes in r9c9, but I'm not going to get an answer to that and won't lose any sleep over it. |
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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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| Posted: Sat Dec 15, 2012 5:55 am Post subject: |
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| Marty R. wrote: | | You're welcome. I'm mildly curious why the hint wasn't for 8 in r9c7 since that occurs before the 2 goes in r9c9, but I'm not going to get an answer to that and won't lose any sleep over it. |
Look at 8 in C9 and B6.
Keith |
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