k1 = 1 
k2 = 5000000 
k3 = 10 
k4 = 100000000 
k5 = 0.1 
k6 = 5 
k7 = 100000 
k8 = 5000000 
k9 = 55 
k10 = 1 
k11 = 2 
k12 = 1e-06 
k13 = 1.1e-05 
k14 = 3.1e-05 
k15 = 1e-10 
k16 = 4.1e-05 
k17 = 1e-05