sech Mul Mul x0 x5 atan log Add x0 x5 
Mul Mul tanh Mul Mul x0 x5 atan log Add x0 x5 Mul -1 sech Mul Mul x0 x5 atan log Add x0 x5 Add Mul atan log Add x0 x5 x5 Mul Mul x0 x5 Mul Pow Add x0 x5 -1 Pow Add 1 Mul log Add x0 x5 log Add x0 x5 -1 