Peripheral functions are generated for {HEAD ~ connections} between blocks in the first subset and {TAIL ~ blocks} in a second subset, which are designated for a hardware implementation on the PLD 
between
Peripheral functions are generated for { HEAD ~ connections } between blocks in the first subset and { TAIL ~ blocks } in a second subset , which are designated for a hardware implementation on the PLD
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH