The PIN data input to the IC card is compared with {TAIL ~ the PIN data} prestored in {HEAD ~ the IC card} 
The PIN data input to the IC card is compared with { TAIL ~ the PIN data } prestored in { HEAD ~ the IC card }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD