It should be noted at this point, however, that the timing track is located in {TAIL ~ the center} of {HEAD ~ the magnetic tape} 40 
It should be noted at this point , however , that the timing track is located in { TAIL ~ the center } of { HEAD ~ the magnetic tape } 40
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH