STUDY THE STEPS OF THE UNFOLDING
The session two process has twelve steps
First, let the computer run the playback of the unfolding automatically:  click here  . You can dynamically see the steps as they come into play.  
Or, you may control the playback of the unfolding: VERY slowly mouse-over the list of steps to view the unfolding at your own pace.

Upstairs plan
Front view
Upstairs plan

SMALL HOUSE SEQUENCE UNFOLDING TO CREATE A HOUSE PLAN: SESSION TWO