WordProblem 
 forward 12 meters 
 forward 8 meters 
 back 6 meters 
 double distance
 forward 24
 forward 16
 back 12
 halve the distance
 forward 6
 forward 4
 back 3
 another 4 meters
 forward 16
 forward 12
 back 10
 reverse direction 8 meters
 forward 4
 0
 forward 2