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