I'm back!
Normal Sudoku rules apply. Digits in cells along the two (marked) principal diagonals must not repeat.
Solution code: Box 3 followed by box 7 (left to right, top to bottom, no characters between).
on 4. October 2022, 21:20 by Playmaker6174
Very elegant, lots of fun to solve and to find the main trick(s) there ;)
on 23. November 2021, 00:03 by Piatato
Very clever puzzle! A joy to solve! :-)
on 22. November 2021, 22:36 by JoWovrin
Amazing puzzle! Extremely smooth solve and of course it's symmetric ;)
--Thank you!! :)