You mean something like:
Quote (http://ast.ucoz.org/forum/21-377-1)
Moving without floorplans:
- the teams should agree to clear all rooms either clockwise or counter-clockwise; this may be decided on the run
(clockwise means basically starting at the entry point always stick to the left wall clearing all doors/opening until you reached the entry point again)
- usually it’s works better to clear from top to bottom (remember the clearing of stairs!)
Or:
Quote (http://ast.ucoz.org/forum/21-308-1947-16-1335003750)
In general you should try to stick to the perimeter while moving through open area, this reduces the number/size of danger zones.