The field linearization pattern includes a first side and {HEAD ~ a second side} that intersect at {TAIL ~ a first corner} 
intersect at
The field linearization pattern includes a first side and { HEAD ~ a second side } that intersect at { TAIL ~ a first corner }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL