If {TAIL ~ rotation} in {HEAD ~ the opposite direction} is desired, coil A is turned off first 
If { TAIL ~ rotation } in { HEAD ~ the opposite direction } is desired , coil A is turned off first
OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH