Data:L11n198/HOMFLYPT Polynomial

$a^3 z^3+z^3 a^{-3} +3 a^3 z+2 z a^{-3} +2 a^3 z^{-1} -a z^5-z^5 a^{-1} -4 a z^3-3 z^3 a^{-1} -6 a z-z a^{-1} -3 a z^{-1} + a^{-1} z^{-1}$