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