{TAIL ~ This transmission line} is in a ring shape, and transmits picture data by {HEAD ~ a time division multiplex method} 
{ TAIL ~ This transmission line } is in a ring shape , and transmits picture data by { HEAD ~ a time division multiplex method }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD