{TAIL ~ The transmission period reading part} reads {HEAD ~ the transmission period} per unit cost that corresponds to the matching area code 
{ TAIL ~ The transmission period reading part } reads { HEAD ~ the transmission period } per unit cost that corresponds to the matching area code
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH