Data:L10a111/HOMFLYPT Polynomial

$a z^7-2 a^3 z^5+3 a z^5-z^5 a^{-1} +a^5 z^3-4 a^3 z^3+3 a z^3-z^3 a^{-1} +a^5 z-2 a^3 z+a z+a z^{-1} - a^{-1} z^{-1}$