Data:L11a504/HOMFLYPT Polynomial

$-a^{14}z^{-2}-a^{14}-z^{6}a^{12}-3z^{4}a^{12}+2z^{2}a^{12}+4a^{12}z^{-2}+9a^{12}+z^{8}a^{10}+4z^{6}a^{10}-z^{4}a^{10}-18z^{2}a^{10}-5a^{10}z^{-2}-19a^{10}+z^{8}a^{8}+7z^{6}a^{8}+18z^{4}a^{8}+21z^{2}a^{8}+2a^{8}z^{-2}+11a^{8}$