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