Data:L11n127/HOMFLYPT Polynomial

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