I've played with some numbers on the TW Calculator.
Shooting for a total weight of 360gm, here's the two options I'm going to try
Option 1: 40gm in the handle, 12gm at 3&9
Option 2: 46gm in the handle, 6gm at 12 o'clock
Swingweight for both ends up being 325-326gm.
I know the theory about 3&9 vs 12 o'clock, but just interested what others think about the two options....