The method 40, further comprising placing at least a third gate chamber in {HEAD ~ fluidic communication} with {TAIL ~ the entrance chamber} and a third egress channel in fluidic communication with the third gate chamber 
with
The method 40 , further comprising placing at least a third gate chamber in { HEAD ~ fluidic communication } with { TAIL ~ the entrance chamber } and a third egress channel in fluidic communication with the third gate chamber
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH