Normal sudoku rules apply.
Digits on an arrow must sum to the digit in the attached bulb.
Digits on a gray line read the same in either direction.
Digits on a pink line form a non-repeating consecutive set in any order.
Solution code: Row 1
on 20. July 2026, 14:42 by ul-Rhymm
Nice look and very clever logic!
on 19. July 2026, 06:33 by WEBthe3rd
Revised difficulty estimate