I don't know which way is "correct" but it should make no difference which way since all that happens is coolant circulation. I'd think that if you just connect them the way that pleases you, you should be OK. I'm sure that if I'm wrong someone will point it out.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.