Deeper into the shareing of one air conditioner for 2 rooms

Whats the thought of the positioning of the blowing fan in the air tube runningfrom first room air con area and the end of tube enteringvint room 2. Should the blower be placed ant very beging of tube closest to air con . . Half way along the tube .( inbetween the tube and rooms . Or more so towards the end of the tube entering second room .( even though that would be more closer to a suction rather than a blower?
And thankyou .my first post. Realy just testing sites layout befor jumping in to some good shit… again ta