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## Hard Karkuro help

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Hard Karkuro help - 3/31/2023 11:52:50 PM
Ginger12

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Joined: 3/31/2023
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I have some success with hard kakuros but I get stalled on some. I have read what little there is online as to helpful hints but haven't found any that help me with the hard ones. Can anyone give me some ideas as to how to proceed or what to look for in this puzzle? Also, do you know if there are helps available that walk through the thought process on some hard ones? hope the picture is here....it says it uploaded but I can't see it.

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RE: Hard Karkuro help - 4/1/2023 4:18:15 AM
hok0003

Posts: 35
Joined: 1/14/2012
From: Australia
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A couple of ideas in the bottom right. There's only one square for the 5 in that 42 column.
And there's areas like the 11 and 14 rows where one of the squares is at least a 6, so the other two in those rows can't add up to more than 5 and 7.

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RE: Hard Karkuro help - 4/1/2023 4:19:52 AM
sfglbkf

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Joined: 8/16/2002
From: United States
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In the bottom right corner, you can eliminate some more possible values based on nearby squares.

In the vertical 14, the lowest the middle square can be is 7, which means the remaining squares can add up to at most 7, so each individual square can't be more than 6.

In the horizontal 14, the 2nd and 4th numbers can't add up to more than 7, and since the 1 is already used in that row neither number can be more than 5.

Another technique can be used in the vertical 42. Since 2 of the squares can only be 3 or 4, no other square can have a 3 or 4, so the 2nd square must be 5.

I don't know how far this will get you, but it at least gives you a few more things to look for.

RE: Hard Karkuro help - 4/1/2023 7:16:05 PM
Ginger12

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From: United States
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Thank you!

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