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