{TAIL ~ Each hidden layer} includes {HEAD ~ nodes} in which the output of the node is fed back to that node as an input with a unit delay occurring in the feedback path  
{ TAIL ~ Each hidden layer } includes { HEAD ~ nodes } in which the output of the node is fed back to that node as an input with a unit delay occurring in the feedback path
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH