In {HEAD ~ at least one embodiment}, as shown in FIG 3, pedestals 46 in adjacent rows may be offset relative to {TAIL ~ pedestals} 46 in an adjacent row 
In { HEAD ~ at least one embodiment } , as shown in FIG 3 , pedestals 46 in adjacent rows may be offset relative to { TAIL ~ pedestals } 46 in an adjacent row
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH