In the region of the diverter, at least one of {HEAD ~ the cores} has {TAIL ~ a lower height} than the cores outside the region of the diverter 
In the region of the diverter , at least one of { HEAD ~ the cores } has { TAIL ~ a lower height } than the cores outside the region of the diverter
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH