{HEAD ~ Each node} within each layer also receives {TAIL ~ a delayed output} produced by a delay unit 36 from all the other nodes within the same layer 16 
receives
{ HEAD ~ Each node } within each layer also receives { TAIL ~ a delayed output } produced by a delay unit 36 from all the other nodes within the same layer 16
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH