Adobe premiere elements 10 / Playing 3 videos simultaneously in on cllip

Hello,
I’ve edited 3 videos, but I don’t know how to get them to be played in just one video simultaneously and parallel to each other.
Can you help me please?
Thanks in advance for your support.

via Video Editing Forums: Digital Director – Adobe Premiere, Premiere Elements, and After Effects http://www.videoforums.co.uk/adobe-premiere-premiere-elements-after-effects/43483-adobe-premiere-elements-10-playing-3-videos-simultaneously-cllip.html