Normal sudoku rules apply. Digits along an arrow must sum to the digit in the large circle at its end. Digits in a quadruple circle must appear in the surrounding cells. I think this puzzle is 2 stars out of 5 for difficulty for many solvers. As always, comments welcome!
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Solution code: First row of puzzle, and fourth column of puzzle (read top to bottom). Enter as a string of 18 digits, no spaces.
on 2. July 2023, 15:23 by Moses*
This one took me a long time to get over the hump, but it really enjoyed it. Rated it 2*
Great puzzle, thank you PDN
on 23. February 2023, 02:38 by RussKozerski
Big fan of PDN's puzzles. Always enjoyable. Thank you. (I agree with some of the other posters...it was more challenging than a normal 1-star puzzle.)
on 7. November 2022, 08:03 by Mr.CHEN
This should be the most difficult 1 star question. It took a long time to find the breakthrough point. I think it is at least 2 stars.
** I agree, as you will see in my instructions. But the community voted it one star. :-)
on 18. March 2022, 13:17 by pieter888
Great puzzle! I'm a pretty new solver so it took me a while to solve it. But the puzzle kept giving me tiny bits of progress so I was never truly stuck. I also think I have a better understanding of arrow puzzles now. Thanks!
** Great job. Thanks for the solve!
on 17. March 2022, 22:54 by erik
ok, I made this way harder on myself by misinterpreting my own markings. I really enjoyed the break in and that it stayed relatively uniformly difficult (but not too difficult) throughout
** Nice job sticking with it!
on 16. March 2022, 20:22 by wentel21
Loved it <3 Definitly a 2 star puzzle. But one of the good 2 stars ;)
** Thanks! You've been a follower since the beginning, and I am grateful! :-)
on 16. March 2022, 18:58 by Eulchen 1965
Totally cool puzzle, thanks for this and hope to see more soon :-)
** Thanks! Just posted a new puzzle, and have a large back catalog too. :-)
on 15. March 2022, 17:04 by KyleBaran
I liked the concept of it!
I have some experience but there a few not-immediately-obvious things so I gave it 2 stars as well
** Thanks so much for the feedback and solve! :-)
on 15. March 2022, 10:54 by Pibonacci
One of the best easy puzzles I've seen, has it all - good aesthetic theme, nice solve path, fun interactions.
** Wow - what high praise! Thank you!
on 15. March 2022, 01:57 by gamlesvarten
Another lovely puzzle, as always! And I agree with the 2 star rating for difficulty :)
** Thanks so much for the encouraging feedback! :-)