a first conductive type body region, which is formed in the high voltage well, wherein {HEAD ~ the first source} is in {TAIL ~ the body region} 
is in
a first conductive type body region , which is formed in the high voltage well , wherein { HEAD ~ the first source } is in { TAIL ~ the body region }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL