Moving Swimlanes
From OnePager Documentation
Just like rows, swimlanes (and the rows within them), can be manually repositioned on the page. To move a swimlane, select the swimlane with a left-click the swimlane label, and then drag the swimlane up or down on the page to reposition it. The red line indicates the new position of the swimlane once the mouse button is released:
(12.10)