{TAIL ~ A skip down shift} from a first shift position to a second shift position is effected by way of a third shift position which is not used in {HEAD ~ a normal shifting} 
{ TAIL ~ A skip down shift } from a first shift position to a second shift position is effected by way of a third shift position which is not used in { HEAD ~ a normal shifting }
TAIL TAIL 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 OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD