{TAIL ~ The output} of {HEAD ~ the adder} 12 is clocked into a latch 14 by a system clock CLK 
{ TAIL ~ The output } of { HEAD ~ the adder } 12 is clocked into a latch 14 by a system clock CLK
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH