continuously dividing said web between {TAIL ~ pairs} of {HEAD ~ adjacent strands} to form separate side by side strips and 
continuously dividing said web between { TAIL ~ pairs } of { HEAD ~ adjacent strands } to form separate side by side strips and
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH