wherein the left eye image signal and the right eye image signal are sequentially separated in any order within a second repetition period in which {HEAD ~ frames} having the same image content are repeated for {TAIL ~ two frames} 
wherein the left eye image signal and the right eye image signal are sequentially separated in any order within a second repetition period in which { HEAD ~ frames } having the same image content are repeated for { TAIL ~ two frames }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL