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