In {TAIL ~ either case}, {HEAD ~ decision diamond} 1270 is then entered, and inquiry is made as to whether the last vector has been reached 
In
In { TAIL ~ either case } , { HEAD ~ decision diamond } 1270 is then entered , and inquiry is made as to whether the last vector has been reached
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH