Where do you even start this??

Is this even possible?

First try, first line - and first success! Unbelievable!! :D

SPOILER: Start at r25/c7, create the main lightning - and then just make a "line" starting from r12/c14 and r12/c7. It´s not logical at all, but you´ll see a clear path and end with two "doubles" in left corner remaining, which is a piece of cake :)

Thanks for the hints Joe Tramp! Though I think the coordinates you meant were r7/c14 and r7/c21 ;)

Thanks to Joe Tramp and Amii for their hints!

Horrible. Why do people tolerate this. This Panoramix should be banned.

Thank you very much for all the tips! It would be unsolvable otherwise!