{TAIL ~ Each} of {HEAD ~ the offset keyslots} is associated with one of the home position indices 142, 144 and 146 and is offset therefrom by the amount of adjustment required 
{ TAIL ~ Each } of { HEAD ~ the offset keyslots } is associated with one of the home position indices 142 , 144 and 146 and is offset therefrom by the amount of adjustment required
TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH