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# Feedback and Questions

I've received a lot of interesting comments and questions from Sudoku fans over the last few years and this page is where I try to answer them. I'm also directing Str8ts feedback here. Please feel free to drop me a note on the side of the page. Or you can email me directly at .

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Any Sudoku you want to publish here for easy loading into the solver - 81 characters, use '.' or '0' for unknowns.

 public - comment/question will be added to feedback column private - email comment/question directly to Andrew Stuart, don't display here

Comment, question or feedback:

letters you see:

Many thanks to all the people who have helped improve the solvers and strategies with their feedback!

## ... by: Daxx, UK

https://www.sudokuwiki.org/killersudoku.aspx?bd=5g0049012000003p01002i02014i0202015g4102026g3h01011i00010000003j030302000132710101010102213g024800005r03030100025h01010350000100491g00004100005i010132020201010202,h08060m00q0q0i3004h008060iu4k4sic03060060gu0d454c208s0081gv0vgvmlmv006s06030v6vuvuluv0060o8k1mv6vuvuluv0f00o8k3ka0l0l054088g028gg00c0e0ea0f0fg500240181o1oa004g0a0

TAKE STEP produces:

Simple Colouring
(RULE 4): Uncoloured candidate 7 in E4 can see two different coloured candidates of 7 elsewhere.

Then STOPS (Take Step is grey, [<<] Back step works okay)

Andrew Stuart writes:
Fantastic report ty. I’d not tested simple colouring in Killer and there were bugs.
Refresh now, you should see 2.24.3
Also the packed link was bugged, fixed that, example should load now

## ... by: Sam, US

I can't edit the candidates. I changed the values in the box, but they reappear when I click out of it.

Andrew Stuart writes:
Untick "Auto-clear"

I think I'm going to pop up an alert for this situation

## ... by: chris, Scotland

Your Send To Solver button isn't working.

Andrew Stuart writes:
[CRTL]+[F5] and refresh. Should work now

## ... by: Dan, United States

Andrew Stuart writes:
[CRTL]+[F5] and refresh. Should work now

## ... by: Graham, UK

I am trying to print off todays daily sudoku on a computer and it is not formatting correctly. It looks as though it may have been formatted for a phone or ipad. I also tried ones from last week that formatted OK when I printed them off last week but now are scrunched. The Killer doesn't seem to be affected and formats correctly!

Andrew Stuart writes:
I figured it out. I was testing the [Print] button on the player
I forgot there is a print link at the top of the page. Working now

## ... by: Phil Salisbury, United States

How do I print The Sudoku Solve Path dark enough to read/?

Andrew Stuart writes:
That's a good point, not tested it for printing. I see it needed some "@media print" CSS
Try now

## ... by: Romy Boreiko, Canada

As of today (2024-07-08) your KenKen program does not enter any numbers at all, neither the given nor the possible ones. The only time any numbers are filled in is using the Step function, but all you get are the one single answer number. The whole thing is pretty useless at this time.

Andrew Stuart writes:
My apologies, it was so obvious. Can't see the wood for the trees sometimes
White digits! Seems the page was working in "quirks mode". I've fixed it up now
I do intend to give the 6x6 solvers some love very soon. Quite old code in there and almost finished with the 9x9s now

[CRTL]+[F5] to refresh if it doesn’t work automatically

## Monday 8-Jul-2024

https://www.str8ts.com/Main_Page and https://www.str8ts.com/daily_str8ts I believe are supposed to show the same two puzzles but the second page often only shows one puzzle. I think later in the day it often shows the second puzzle. Not sure if this is intentional.

Andrew Stuart writes:
The Daily Str8ts page has only the main symmetrical Str8ts puzzle. The Main Page has two puzzles. Both invoke the same player with the same parameters so they must be the same. Write to me if you see a difference and I'll investigate.

## ... by: Joel, USA

Hi! Great solver here but I recently started playing a slightly different version of Killer Sudoku where the number within each 3x3 square don’t have to add up to 45…only the rows do. For example, R1C1 and R2C3 could have the same # even if they are in that same top left grid. Would be great if there was a way to solve these types too.

Andrew Stuart writes:
That reminds me of KenKen but with the difference that all the operators are addition. That is a valid but unusual setup for KenKen but it doesn’t use the 3x3 boxes.

## ... by: Jan, Germany

In the solver, trying to edit candidates leads to an x/y NaN, which makes the solver unuseable. Chrome 126.0

Andrew Stuart writes:
Thanks! Should be fixed now
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Thank-you everyone for all your questions and contributions.