k1 = 1;
k2 = 1/10;
k3 = 1/10;
k4 = 1/5;
k5 = 1;
k6 = 1/100;
k7 = 3/2;
k8 = 1/100;
k9 = 6;
k10 = 1/100;
k11 = 5/2;
k12 = 1/100;