Solution code: row 4
on 25. November 2025, 21:42 by Melle
My, oh My. It took me minutes to understand the restriction. Very nice indeed. Thanks a lot.
on 12. November 2025, 22:50 by damasosos92
Such a cool idea!
on 28. October 2025, 07:19 by JVA
Very clever restriction
on 11. October 2025, 02:37 by Abehar
very cute puzzle!
Reply: Thanks so much!
on 10. October 2025, 12:01 by shanzhai
interesting rule
Reply: Thanks! I'm looking to make more complicated puzzles using this rule in the future.
on 10. October 2025, 06:24 by Pairot
This was such an interesting restriction, great puzzle!
Reply: Thank you! This is my first time making a sudoku puzzle (though I'm a long-term variant sudoku enjoyer), more to come!
on 9. October 2025, 20:55 by PinkNickels
Somehow managed 39 seconds. Thanks for sharing,
Reply: Thanks for solving!
on 9. October 2025, 20:17 by mbumbee
I solved the puzzle but I don't know how hot it is, please advise.
Reply: I was sure there must be thermostat of some kind but I can't find one...