Normal Sudoku rules apply.
Digits in a cage cannot repeat.
Digits along a marked diagonal sum to the value given. Digits may repeat along a diagonal, as long as they follow other rules.
Solution code: Row 1 followed by Column 9
on 20. January 2022, 19:01 by DVFrank
That was pretty tricky to get going, but absolutely lovely! :^)
on 20. January 2022, 15:24 by Semikolon
Tough start! Great puzzle