{HEAD ~ A series circuit} consisting of a first coil , {TAIL ~ a second diode} and the first capacitor is connected in parallel with the switching path 
consisting of
{ HEAD ~ A series circuit } consisting of a first coil , { TAIL ~ a second diode } and the first capacitor is connected in parallel with the switching path
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH