Each sensor element senses the magnetic field strength generated by each of {HEAD ~ the plurality} of {TAIL ~ magnets} and provides data indicative of the direction of the magnets in a three dimensional space 
of
Each sensor element senses the magnetic field strength generated by each of { HEAD ~ the plurality } of { TAIL ~ magnets } and provides data indicative of the direction of the magnets in a three dimensional space
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH