Data:L11n354/HOMFLYPT Polynomial

$- a 10 + 2 z 2 a 8 + a 8 z -2 + 2 a 8 + z 2 a 6 -2 a 6 z -2 -2 a 6 - z 6 a 4 -5 z 4 a 4 -5 z 2 a 4 + a 4 z -2 - a 4 + z 4 a 2 + 4 z 2 a 2 + 2 a 2$