tanh exp Pow Add -2 x0 Mul pi 0.841833419372994 
Mul Pow sech exp Pow Add -2 x0 Mul pi 0.841833419372994 2 Mul exp Pow Add -2 x0 Mul pi 0.841833419372994 Mul Pow Add -2 x0 Add Mul pi 0.841833419372994 -1 Mul pi 0.841833419372994 