{HEAD ~ The portion} of the clock tree is coupled to receive {TAIL ~ the control signal} for collectively conditionally gating the plurality of clocks 
is coupled to receive
{ HEAD ~ The portion } of the clock tree is coupled to receive { TAIL ~ the control signal } for collectively conditionally gating the plurality of clocks
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH