I guess this is one way of having three videos seamlessly share one space, though this is only possible when the subject matter stays in one general area of the frame (the alternative being several dropped frames when panning around a masked frame with my software unfortunately).
Shoutout to NastiaFan101 like always.
Scores -
QF (left): 6.0D + 7.633E = 13.633
TF (upper-right): 5.9D + 8.400E - 0.4ND = 13.900
AA (lower-right): 6.0D + 8.533E = 14.533
Ещё видео!