{HEAD ~ Each} of the capacitors is formed of {TAIL ~ a series circuit} of two substantially equal size individual capacitors forming a capacitor pair 
is formed of
{ HEAD ~ Each } of the capacitors is formed of { TAIL ~ a series circuit } of two substantially equal size individual capacitors forming a capacitor pair
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH