For example, the output currents of these m pieces of {TAIL ~ the quasi control current output circuits} are in turn exchanged and outputted from then pieces of the output terminals of {HEAD ~ the control current output circuits} 
For example , the output currents of these m pieces of { TAIL ~ the quasi control current output circuits } are in turn exchanged and outputted from then pieces of the output terminals of { HEAD ~ the control current output circuits }
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD