FIG 1 is {HEAD ~ an illustration} of {TAIL ~ an embodiment} of a photonic band gap routing arrangement having routing elements with four selectable routing directions 
of
FIG 1 is { HEAD ~ an illustration } of { TAIL ~ an embodiment } of a photonic band gap routing arrangement having routing elements with four selectable routing directions
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 OTH OTH OTH OTH OTH