a connector region having a distal portion extending away from the major surface, with {HEAD ~ distal portions} of {TAIL ~ connector regions} of adjacent structures spaced apart from one another, and 
of
a connector region having a distal portion extending away from the major surface , with { HEAD ~ distal portions } of { TAIL ~ connector regions } of adjacent structures spaced apart from one another , and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH