Pow x2 Pow Add x4 x0 Add Mul log x1 x2 tanh x2 
Mul Pow x2 Add Pow Add x4 x0 Add Mul log x1 x2 tanh x2 -1 Mul Mul x2 log x2 Mul Pow Add x4 x0 Add Add Mul log x1 x2 tanh x2 -1 Add Mul log x1 x2 tanh x2 