{HEAD ~ The pixels} are defined by {TAIL ~ the intersection} of a first gate line of the first gate lines and a first data line of the data lines 
are defined by
{ HEAD ~ The pixels } are defined by { TAIL ~ the intersection } of a first gate line of the first gate lines and a first data line of the data lines
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH