Twin Hex using metamagic, what happens with redirecting each curse?

Hey there. Want to twin Hex using metamagic, but can I and what happens with redirecting each curse if yes? i believe it works out – you have two targets, change 1 target each time one drops, keeping 2

— Mike Mearls (@mikemearls) September 14, 2017

…Like how Hold Person or similar spells with concentration can be given a 2nd target.Exactly

— Mike Mearls (@mikemearls) September 16, 2017