Signal B is inverted by {TAIL ~ inverter} 326 and subsequently presented to {HEAD ~ the inhibit input} of one shot 312 and the s input of one shot 313 
Signal B is inverted by { TAIL ~ inverter } 326 and subsequently presented to { HEAD ~ the inhibit input } of one shot 312 and the s input of one shot 313
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH