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