{HEAD ~ An equal number} of {TAIL ~ additional write operations} compensates for the additional reads at a later point 
of
{ HEAD ~ An equal number } of { TAIL ~ additional write operations } compensates for the additional reads at a later point
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH