An initial estimation of the location and {HEAD ~ orientation} of each magnet results in the generation of {TAIL ~ predicted magnetic field values} 
An initial estimation of the location and { HEAD ~ orientation } of each magnet results in the generation of { TAIL ~ predicted magnetic field values }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL