{TAIL ~ A program} is generated that invokes each peripheral function and each execution function in {HEAD ~ an order} determined from the interconnections between the blocks 
{ TAIL ~ A program } is generated that invokes each peripheral function and each execution function in { HEAD ~ an order } determined from the interconnections between the blocks
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH