In some embodiments, the two dimensional electric motor has {HEAD ~ two arrays} of {TAIL ~ permanent magnets} and at least two coils 
of
In some embodiments , the two dimensional electric motor has { HEAD ~ two arrays } of { TAIL ~ permanent magnets } and at least two coils
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH