" <= and >= symbol are sometimes inverted. "LOL yes sometimes I get them mixed up, I literally have sat there telling myself "the crocodile eats the BIG number >" LOL XD If you know where those are, I'd be happy to fix them :)
I have only finished and/or seen Walter, Damien, Daniela and Sebastian route (with no partner kidnapped), so I can only help you with those.
For Daniela's route.
For Sebastian's route