Data:L11n322/HOMFLYPT Polynomial

$-a^2 z^6+a^4 z^4-4 a^2 z^4+3 z^4+2 a^4 z^2-8 a^2 z^2-2 z^2 a^{-2} +8 z^2+2 a^4-7 a^2-2 a^{-2} +7+a^4 z^{-2} -2 a^2 z^{-2} + z^{-2}$