Data:L11a216/Multivariable Alexander

[math]\displaystyle{ -\frac{4 u^2 v^3-6 u^2 v^2+4 u^2 v-u^2+2 u v^4-8 u v^3+13 u v^2-8 u v+2 u-v^4+4 v^3-6 v^2+4 v}{u v^2} }[/math]