The bottom of {TAIL ~ the tub} has {HEAD ~ first and second portions} vertically offset from one another with a connecting bridging member forming a seat 
The bottom of { TAIL ~ the tub } has { HEAD ~ first and second portions } vertically offset from one another with a connecting bridging member forming a seat
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH