{HEAD ~ The flaps} 46 are made of the same material as {TAIL ~ the flaps} 20 
{ HEAD ~ The flaps } 46 are made of the same material as { TAIL ~ the flaps } 20
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH