Data:L11a413/HOMFLYPT Polynomial

$-a^{14}z^{-2}-a^{14}+4z^{2}a^{12}+4a^{12}z^{-2}+9a^{12}-6z^{4}a^{10}-20z^{2}a^{10}-5a^{10}z^{-2}-19a^{10}+3z^{6}a^{8}+13z^{4}a^{8}+19z^{2}a^{8}+2a^{8}z^{-2}+11a^{8}+z^{6}a^{6}+3z^{4}a^{6}+2z^{2}a^{6}$