Data:L11a337/Multivariable Alexander

$- v u 5 -4 v 2 u 4 + 5 v u 4 - u 4 -2 v 3 u 3 + 9 v 2 u 3 -10 v u 3 + 2 u 3 + 2 v 3 u 2 -10 v 2 u 2 + 9 v u 2 -2 u 2 - v 3 u + 5 v 2 u -4 v u - v 2$