The first sidewall 18 of {HEAD ~ the pair} of sidewalls is on the right side of the tub and has {TAIL ~ upper and lower portions} that are horizontally offset from one another with a bridging member 26 connecting the upper and lower portions forming a right arm rest 
has
The first sidewall 18 of { HEAD ~ the pair } of sidewalls is on the right side of the tub and has { TAIL ~ upper and lower portions } that are horizontally offset from one another with a bridging member 26 connecting the upper and lower portions forming a right arm rest
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH