version 12 by Michael Callaghan
Chapter 2 - Patrolling Activity
Section 2.1 - Initialize Room Led Patrollers
When Play begins (this is the initialize room-led patrollers rule):
repeat with Bod running through RoomLed Patrollers:
now the PathLength of the Bod is the number of rows in the RoomTable of the Bod;
now the PathStage of the Bod is 2.