The first mold insert defines {HEAD ~ first mold voids} and the first mold voids are connected by {TAIL ~ first runners} 
The first mold insert defines { HEAD ~ first mold voids } and the first mold voids are connected by { TAIL ~ first runners }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL