Data:L11a240/Multivariable Alexander

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-\frac{u^2 v^4-3 u^2 v^3+4 u^2 v^2-4 u^2 v+3 u^2-3 u v^4+7 u v^3-7 u v^2+7 u v-3 u+3 v^4-4 v^3+4 v^2-3 v+1}{u v^2}