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