Data:L10a54/HOMFLYPT Polynomial

$-z^{3}a^{7}-2za^{7}+2z^{5}a^{5}+6z^{3}a^{5}+4za^{5}-z^{7}a^{3}-4z^{5}a^{3}-5z^{3}a^{3}-2za^{3}+a^{3}z^{-1}+z^{5}a+2z^{3}a-za-az^{-1}$