Data:L11a315/Multivariable Alexander

$- v 2 u 5 -2 v 3 u 4 + 4 v 2 u 4 -2 v u 4 + 2 v 3 u 3 -7 v 2 u 3 + 5 v u 3 - u 3 - v 3 u 2 + 5 v 2 u 2 -7 v u 2 + 2 u 2 -2 v 2 u + 4 v u -2 u - v$