{HEAD ~ The retracting device} is displaced in {TAIL ~ the direction} of the extracting device until the banknotes come into the extracting position 
is displaced in
{ HEAD ~ The retracting device } is displaced in { TAIL ~ the direction } of the extracting device until the banknotes come into the extracting position
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH