{HEAD ~ Signal B} is presented as {TAIL ~ the inhibit input} of one shot 310 and the s input of one shot 311 
{ HEAD ~ Signal B } is presented as { TAIL ~ the inhibit input } of one shot 310 and the s input of one shot 311
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH