The card contains a memory for storing {HEAD ~ PIN data} of {TAIL ~ a predetermined number} of characters 
of
The card contains a memory for storing { HEAD ~ PIN data } of { TAIL ~ a predetermined number } of characters
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH