The 4G63 firing order is 1-3-4-2.
But yeah, as far as the coils go one coil does 4&1 and the other does 2&3.
The numbers are usually engraved on the coil pack brackets. You cant really mix them up unless you had the coil packs off the brackets and cant remember which one went where lol
Its not that important. 1 and 4 can interchange on its coil and 2, 3 can interchange as well. You can swap them to diagnose a miss.
But as marked on the brackets is correct.