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