exp sech Mul Pow 2.23606797749979 x0 Add 3 x0 
Mul exp sech Mul Pow 2.23606797749979 x0 Add 3 x0 Mul Mul tanh Mul Pow 2.23606797749979 x0 Add 3 x0 Mul -1 sech Mul Pow 2.23606797749979 x0 Add 3 x0 Add Mul Add 3 x0 Mul Pow 2.23606797749979 Add x0 -1 3.04078693371684 Pow 2.23606797749979 x0 