Data:10 98/HOMFLYPT Polynomial

$z^4 a^8+2 z^2 a^8+2 a^8-z^6 a^6-3 z^4 a^6-5 z^2 a^6-5 a^6-z^6 a^4-2 z^4 a^4+z^2 a^4+3 a^4+z^4 a^2+2 z^2 a^2+a^2$