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 Killer Sudoku Jan 13 2020 
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Posted on: Mon Jan 13, 2020 8:58 pm




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Post Killer Sudoku Jan 13 2020
I have reached a solution on this but the site does not accept it and gives a spurious bad match between two "1"s that are actually OK???
Image
https://imgur.com/61jV6Vq


Last edited by allan on Mon Jan 13, 2020 10:03 pm, edited 2 times in total.



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Posted on: Mon Jan 13, 2020 9:27 pm




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Joined: Thu May 12, 2011 11:58 pm
Post Re: Killer Sudoku Jan 13 2020
allan wrote:
Oh dear! How do I post an image here??


Check out this post, only step 2:

viewtopic.php?f=3&t=38


updated, copied and pasted here:

pnm wrote:

In a browser window, start writing your forum post that is to include image.

Now go to http://www.imgur.com, click "New Post", then "Choose Photo/Video"
and select your image file.

1) it should upload automatically
2) on the next page, hover over the top right of the image, and click on the three dots (...), select "Get share links",
then click the "Copy link" button next to the "BBCode (Forums)" entry
3) go to your forum post, place the cursor where you want the image, and press Ctrl+V



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Posted on: Mon Jan 13, 2020 9:52 pm




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Joined: Tue Mar 10, 2015 5:59 pm
Post Re: Killer Sudoku Jan 13 2020
I remember having that same 'solution'.
However, in a Killer sudoku it is not allowed to have two equal numbers in the same cage.
It took me about 20 seconds to solve the puzzle after I stumbled into this mistake, I only had to swap a few numbers.


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Posted on: Mon Jan 13, 2020 10:06 pm




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Joined: Sun Sep 22, 2019 4:52 pm
Post Re: Killer Sudoku Jan 13 2020
Thanks to pnm for info on posting images - the image is there now.

rafaelhoukes: The two "1"s are not in the same cage.


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Posted on: Mon Jan 13, 2020 10:20 pm




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Joined: Thu May 12, 2011 11:58 pm
Post Re: Killer Sudoku Jan 13 2020
allan wrote:
rafaelhoukes: The two "1"s are not in the same cage.


They clearly are in the same "18+" cage, no?


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Posted on: Mon Jan 13, 2020 10:26 pm




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Post Re: Killer Sudoku Jan 13 2020
allan wrote:
Thanks to pnm for info on posting images - the image is there now.

rafaelhoukes: The two "1"s are not in the same cage.


Hi Allan

I’m afraid they are. The cage covers the cells 5d, 6c, 6d and 6e. There is a 1 in both 5d and 6c.


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Posted on: Mon Jan 13, 2020 10:58 pm




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Joined: Sun Sep 22, 2019 4:52 pm
Post Re: Killer Sudoku Jan 13 2020
Oh. So you can't have the same digit within a calc cage even if they are in different 3x3 cages?


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Posted on: Mon Jan 13, 2020 11:19 pm




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Joined: Thu May 12, 2011 11:58 pm
Post Re: Killer Sudoku Jan 13 2020
allan wrote:
Oh. So you can't have the same digit within a calc cage even if they are in different 3x3 cages?


Yes, there was some confusion about this in the past:

https://en.wikipedia.org/wiki/Killer_su ... _ambiguity


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