Data:L11a142/HOMFLYPT Polynomial

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