Pow sech x7 Mul Mul x0 -2 Add pi Add -2 Add Mul Pow sqrt x6 Mul x0 x0 pi 0.198690110349241 
Mul Pow sech x7 Add Mul Mul x0 -2 Add pi Add -2 Add Mul Pow sqrt x6 Mul x0 x0 pi 0.198690110349241 -1 Mul Mul sech x7 log sech x7 Add Mul Add pi Add -2 Add Mul Pow sqrt x6 Mul x0 x0 pi 0.198690110349241 -2 Mul Mul x0 -2 Mul pi Mul Pow sqrt x6 Add Mul x0 x0 -1 Mul Mul sqrt x6 log sqrt x6 Add x0 x0 