Data stored by {TAIL ~ the exchange system} for printing an exchange system coupon can be modified remotely at {HEAD ~ substantially any time} 
Data stored by { TAIL ~ the exchange system } for printing an exchange system coupon can be modified remotely at { HEAD ~ substantially any time }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD