After performing the step S814, the car navigation apparatus stores {TAIL ~ the extracted guidance information} in {HEAD ~ the reconstructed link}  
After performing the step S814 , the car navigation apparatus stores { TAIL ~ the extracted guidance information } in { HEAD ~ the reconstructed link }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH