Data:L10a103/HOMFLYPT Polynomial

$-z^{7}a^{-1}+2az^{5}-5z^{5}a^{-1}+z^{5}a^{-3}-a^{3}z^{3}+7az^{3}-10z^{3}a^{-1}+3z^{3}a^{-3}-2a^{3}z+7az-8za^{-1}+3za^{-3}+az^{-1}-a^{-1}z^{-1}$