a plurality of {HEAD ~ fluid responsive cylinders} each seated in a respective one of said wells and each of {TAIL ~ said cylinders} including a cylinder arm directed outwardly from said respective well 
a plurality of { HEAD ~ fluid responsive cylinders } each seated in a respective one of said wells and each of { TAIL ~ said cylinders } including a cylinder arm directed outwardly from said respective well
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH