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