According to one embodiment of {HEAD ~ the invention}, {TAIL ~ the number} of conductive segments in a given row may be odd or even 
According to one embodiment of { HEAD ~ the invention } , { TAIL ~ the number } of conductive segments in a given row may be odd or even
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH