Add tanh Add Mul x0 0.00673789601640695 Add x7 Add x0 x2 Mul tanh Pow sech x2 x0 x0 
Add Mul Pow sech Add Mul x0 0.00673789601640695 Add x7 Add x0 x2 2 1.00673789601641 Add Mul x0 Mul Pow sech Pow sech x2 x0 2 Mul Pow sech x2 Add x0 -1 Mul sech x2 log sech x2 tanh Pow sech x2 x0 