The BIN typically occupies {HEAD ~ the first six digits} of the PAN and may be considered a first end portion of {TAIL ~ the PAN} 
The BIN typically occupies { HEAD ~ the first six digits } of the PAN and may be considered a first end portion of { TAIL ~ the PAN }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL