{TAIL ~ The manager computer} is further coupled to {HEAD ~ the number} of uninterruptible power supply systems via the computer network 
{ TAIL ~ The manager computer } is further coupled to { HEAD ~ the number } of uninterruptible power supply systems via the computer network
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH