As programs grow more complex, {HEAD ~ more programmers} are forced to reinvent basic solutions to {TAIL ~ basic problems} over and over again 
As programs grow more complex , { HEAD ~ more programmers } are forced to reinvent basic solutions to { TAIL ~ basic problems } over and over again
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH