exp sech Add 0.142546543074278 Mul x0 -0.663441450498527 
Mul exp sech Add 0.142546543074278 Mul x0 -0.663441450498527 Mul Mul tanh Add 0.142546543074278 Mul x0 -0.663441450498527 Mul -1 sech Add 0.142546543074278 Mul x0 -0.663441450498527 -0.663441450498527 