k1 = 1 
k2 = 2 
k3 = 1 
k4 = 1 
k5 = 0.2 
k6 = 1 
k7 = 50 
k8 = 50 
k9 = 500 
k10 = 10 
k11 = 50 
k12 = 1 
k13 = 100 
k14 = 0.01 
k15 = 50 
k16 = 0.5 
k17 = 5 
k18 = 0 
k19 = 1 
k20 = 1