The following presents a simplified summary of the invention in order to provide {HEAD ~ a basic understanding} of some aspects of {TAIL ~ the invention} 
The following presents a simplified summary of the invention in order to provide { HEAD ~ a basic understanding } of some aspects of { TAIL ~ the invention }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL