A system on {TAIL ~ a chip} may include {HEAD ~ several processors}, and one or more of the processors may be conditionally clocked at the processor level 
A system on { TAIL ~ a chip } may include { HEAD ~ several processors } , and one or more of the processors may be conditionally clocked at the processor level
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH