The document 10 is being scanned by the scanner to obtain data corresponding to {HEAD ~ the indicia} 12 existing on {TAIL ~ the document} 
existing on
The document 10 is being scanned by the scanner to obtain data corresponding to { HEAD ~ the indicia } 12 existing on { TAIL ~ the document }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL