ocr: naking Alterations Use the wall brush Turning two hallways into one hallway These are two hallways running beside each other First, drag the wall brush along the top hallway Second, Press the down cursor key to flip the wall brush to the "south" of the nouse pointer and drag it along the bottom hallway Press the F2 key to redraw the Map and Make sure it looks OK. It's a good idea to do this often as you Make alterations.