{TAIL ~ The drivers} are assigned to {HEAD ~ the rests} and butt against a trailing edge of the printed products  
{ TAIL ~ The drivers } are assigned to { HEAD ~ the rests } and butt against a trailing edge of the printed products
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH