[Community Puzzle] City Lights Part 1 - Puzzle discussion

Coding Games and Programming Challenges to Code Better

Send your feedback or ask for help here!

Created by @Delicious31415,validated by @DeanTheMachine,@NicknamedTwice and @xerneas02.
If you have any issues, feel free to ping them.

During the solution, I had the feeling that I was solving a similar problem here, but perhaps this is just a feeling that was prompted by these problems: Sweet spot, Lumen. Or maybe not?