Thus, it is expected that {TAIL ~ the size} of interference becomes smaller even in a frame subsequent to a frame in which large interference occurs by {HEAD ~ chance} 
Thus , it is expected that { TAIL ~ the size } of interference becomes smaller even in a frame subsequent to a frame in which large interference occurs by { HEAD ~ chance }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD