Every time the count value of {TAIL ~ the white dot counter} 96 reaches {HEAD ~ the predetermined value}, it is determined that an image block is spaced apart from the preceding one 
Every time the count value of { TAIL ~ the white dot counter } 96 reaches { HEAD ~ the predetermined value } , it is determined that an image block is spaced apart from the preceding one
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH