{HEAD ~ Extension} 42 extends the length of tube 37 underneath {TAIL ~ boats} 11, 12, 13, and 14 
{ HEAD ~ Extension } 42 extends the length of tube 37 underneath { TAIL ~ boats } 11 , 12 , 13 , and 14
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH