{TAIL ~ The second portion} of the raised region is thinner than {HEAD ~ the first portion} of the raised region 
{ TAIL ~ The second portion } of the raised region is thinner than { HEAD ~ the first portion } of the raised region
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH