{HEAD ~ The fingerprint} is indicative of the structure of {TAIL ~ the markup language code} in the document 
{ HEAD ~ The fingerprint } is indicative of the structure of { TAIL ~ the markup language code } in the document
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH