Yeah , This is the  This is the  the idea ,  to consider only the  the small window near  near  near the  the overlapping zone.
The portion of the   of the backchannel won't  won't effect anything. But you  Yeah. So. You know , you shouldn't be more than like   You should definitely not be three times as big as your  as your  backchannel.
Yeah.
Mm - hmm.