#begin
  node 1 150 30 20 20 1 1 black lightGray black CIRCLE
  node 2 100 120 20 20 1 2 black lightGray black CIRCLE
  node 3 200 120 20 20 1 3 black lightGray black CIRCLE
  node 4 150 200 20 20 1 4 black lightGray black CIRCLE
  node 5 250 200 20 20 1 5  black lightGray black CIRCLE
  node 6 200 250 20 20 1 6 black lightGray black CIRCLE
  node 7 50 200 20 20 1 7 black lightGray black CIRCLE
  node 8 100 250 20 20 1 8 black lightGray black CIRCLE
#end

#begin
  connectNodes 9 1 3 black 1
  connectNodes 10 1 2 black 1
  connectNodes 11 3 4 black 1
  connectNodes 12 3 5 black 1
  connectNodes 13 4 5 black 1
  connectNodes 14 4 2 black 1
  connectNodes 15 4 8 black 1
  connectNodes 16 7 2 black 1
  connectNodes 17 4 6 black 1
  connectNodes 18 6 5 black 1  
  connectNodes 19 8 7 black 1  
#end

text t1 250 30 "L0: " blue
text t2 250 50 "L1: " red
text t3 250 70 "L2: " orange
text t4 250 90 "L3: " magenta
text t5 250 110 "L4: " cyan
changeParam 1 bkgrd green
delay 600
marker 20  1  10 black green 
moveMarker 20 2 
changeParam 2 bkgrd green
marker 21  1  10 black green 
moveMarker 21 3
changeParam 3 bkgrd green
changeParam 1 bkgrd blue
delete 20
text t6 280 30 "1 " blue
moveMarker 21 4
changeParam 4 bkgrd green
marker 22 3 10 black green 
moveMarker 22 5
changeParam 5 bkgrd  green 
delete 22 

changeParam 2 bkgrd  red
changeParam 3 bkgrd  red 

text t7 280 50 "2 3 " red
moveMarker 21 8
changeParam 8 bkgrd  green 
marker 22  4  10  black  green 
moveMarker 22 6
changeParam 6 bkgrd  green 
delete 22     

changeParam 4 bkgrd  orange 
delay 500
changeParam 5 bkgrd  orange

text t8 280 70 "4 5 " orange
moveMarker 21 7
changeParam 7 bkgrd  green 

changeParam 8 bkgrd  magenta
changeParam 6 bkgrd  magenta

text t9 280 90 "8 6 " magenta
delete 21    
changeParam 7 bkgrd cyan
text t10 280 110 "7 " cyan