A first data recorded region is formed in one of multiple recording layers of {TAIL ~ a rewritable optical disc} before {HEAD ~ a second data recorded region} is formed therein 
A first data recorded region is formed in one of multiple recording layers of { TAIL ~ a rewritable optical disc } before { HEAD ~ a second data recorded region } is formed therein
OTH OTH OTH 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 HEAD HEAD OTH OTH OTH