#The level structure must begin with the word "pipenightdreams"
pipenightdreams{
  speed=3			#defines the speed of the flow, must be >=1
  level=1			#not used
  start_delay=1200		# between 0..2000
  graph_dir="pipes_metal"	#first directory to search for graphics
  graph_dir="flow_green"
  graph_dir="arrows_yellow"
  graph_dir="default"
  restrict_coef=0		#defines the % of restricted connections
  fixed_coef=0			#defines the % of fixed pipes
  required=12
  background=mosaic		#defines the type of the background
  entry{			#entry attributes block
    row=6			
    column=2
    side=north
  }
  exit{                         #exit attributes block
    row=1
    column=6
    side=south
  }
}