tanh Add x0 atan Add x0 Mul -4 Mul 3 acoth Add E -0.989992496600445 
Mul Pow sech Add x0 atan Add x0 Mul -4 Mul 3 acoth Add E -0.989992496600445 2 Add 1 Pow Add 1 Mul Add x0 Mul -4 Mul 3 acoth Add E -0.989992496600445 Add x0 Mul -4 Mul 3 acoth Add E -0.989992496600445 -1 