A1 A4 and A1 b A4 b shown in FIG 3 indicate {HEAD ~ potentials} of {TAIL ~ signals} inputted into the wirings A A4 and the wirings A1 b A4 b 
of
A1 A4 and A1 b A4 b shown in FIG 3 indicate { HEAD ~ potentials } of { TAIL ~ signals } inputted into the wirings A A4 and the wirings A1 b A4 b
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH