{HEAD ~ The other end wall} has upper and lower portions horizontally offset from one another with {TAIL ~ a connecting bridging member} forming a back rest 
{ HEAD ~ The other end wall } has upper and lower portions horizontally offset from one another with { TAIL ~ a connecting bridging member } forming a back rest
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH