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