{HEAD ~ The second field oxide region} and {TAIL ~ the first field oxide region} are separated by the high voltage well and the body region 
{ HEAD ~ The second field oxide region } and { TAIL ~ the first field oxide region } are separated by the high voltage well and the body region
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH