Data:L11a342/HOMFLYPT Polynomial

$-a^{11}z^{-1}+4za^{9}+4a^{9}z^{-1}-6z^{3}a^{7}-11za^{7}-6a^{7}z^{-1}+3z^{5}a^{5}+8z^{3}a^{5}+10za^{5}+5a^{5}z^{-1}+z^{5}a^{3}-z^{3}a^{3}-4za^{3}-2a^{3}z^{-1}-z^{3}a-za$