These two signals GH and {HEAD ~ GL} are routed along with {TAIL ~ Data1} from counter 12 to a means, represented by block 30, for interpreting the signals GH and GL 
are routed along with
These two signals GH and { HEAD ~ GL } are routed along with { TAIL ~ Data1 } from counter 12 to a means , represented by block 30 , for interpreting the signals GH and GL
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH