{HEAD ~ The number} of bits in each submask equates to the number of {TAIL ~ exit ports} in fabrics 602 and 604 
{ HEAD ~ The number } of bits in each submask equates to the number of { TAIL ~ exit ports } in fabrics 602 and 604
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH