I gave this puzzle the name "Mad-Tya-ness" because it is definitely my most difficult puzzle by far. If you have absolutely no idea how to start the puzzle, you can use this link where the break-in is explained.
Have fun with the puzzle!
Solution code: Row 9 foolowed by column 9 (18 digits)
on 19. January 2022, 15:24 by Mad-Tyas
Added CTC link and updated puzzle description.
on 22. October 2021, 13:53 by uvo_mod
Label ergänzt.
on 20. June 2021, 01:28 by Mad-Tyas
changed title
on 15. June 2021, 22:25 by zhergan
@Mad-Tyas: Absolutely:) Thanks again..
on 15. June 2021, 13:14 by Mad-Tyas
@zhergan
Thank you for solving the puzzle and your nice comment!
Especially because I now had strong doubts that the puzzle would be solved at all.
I hope you have a good feeling about the time you took to do so :)
on 15. June 2021, 10:24 by zhergan
Thanks for this very nice idea! The latter one you've published stays as a tasty cookie besides this one. I have to say that I've used the hint you gave. I was on the way to reach the state mentioned in the hint but later on I've made a terrible mistake and messed up. Also after using the hint the puzzle remains harder according to me. When I was younger I'd played a racing game namely Midtown Madness. Strangely I remembered that game when I was thinking about a name offer for this puzzle. So I can offer Mid-Block Madness for this one. Since the word block refers to 3x3 standard blocks in sudoku maybe Mid-Area Madness may be a better choice. I'm wondering to see the further implementations of this cool idea..
on 11. June 2021, 10:57 by Cane_Puzzles
PrimeWeasel used something very similar to this clue type in this puzzle: https://logic-masters.de/Raetselportal/Raetsel/zeigen.php?id=00058T
The only difference is that in your puzzle, the middle digit is included in the sum. I don't know if the same clue type exists in another puzzle.