The discharged voltage on the first reset node QB1 turns off {TAIL ~ the first and ninth switching elements} Tr1 and Tr9 and first and third pull down switching elements Trpd1 and Trpd3 which are connected to {HEAD ~ the first reset node QB1} 
The discharged voltage on the first reset node QB1 turns off { TAIL ~ the first and ninth switching elements } Tr1 and Tr9 and first and third pull down switching elements Trpd1 and Trpd3 which are connected to { HEAD ~ the first reset node QB1 }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD