Data:L11a151/Multivariable Alexander

[math]\displaystyle{ \frac{2 u^2 v^3-4 u^2 v^2+4 u^2 v-2 u^2+2 u v^4-8 u v^3+11 u v^2-8 u v+2 u-2 v^4+4 v^3-4 v^2+2 v}{u v^2} }[/math]