Data:10 53/HOMFLYPT Polynomial

$a^{12}-3 z^2 a^{10}-3 a^{10}+2 z^4 a^8+2 z^2 a^8+3 z^4 a^6+6 z^2 a^6+3 a^6+z^4 a^4+z^2 a^4$