FIG 7 shows {TAIL ~ the white, red, blue and black signal levels} in the video signal 15 in {HEAD ~ the stated order} from left to right 
FIG 7 shows { TAIL ~ the white , red , blue and black signal levels } in the video signal 15 in { HEAD ~ the stated order } from left to right
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH