Mul Pow pi x0 Add Add Pow x0 Mul Add Mul 4 Mul -4 x5 Pow x6 x3 x2 Pow atanh Add x7 x3 tanh x0 2 
Add Mul Add Add Pow x0 Mul Add Mul 4 Mul -4 x5 Pow x6 x3 x2 Pow atanh Add x7 x3 tanh x0 2 Mul Pow pi Add x0 -1 Mul pi log pi Mul Pow pi x0 Add Mul Pow x0 Add Mul Add Mul 4 Mul -4 x5 Pow x6 x3 x2 -1 Mul Add Mul 4 Mul -4 x5 Pow x6 x3 x2 Mul Pow atanh Add x7 x3 Add tanh x0 -1 Mul Mul atanh Add x7 x3 log atanh Add x7 x3 Pow sech x0 2 