Pow asec x6 Mul Add x4 Mul x7 Pow x0 Add 4 sech x5 x7 
Mul Pow asec x6 Add Mul Add x4 Mul x7 Pow x0 Add 4 sech x5 x7 -1 Mul Mul asec x6 log asec x6 Mul x7 Mul x7 Mul Pow x0 Add Add 4 sech x5 -1 Add 4 sech x5 