k1 = 1/1000;
k2 = 36/25;
k3 = 1;
k4 = 0;
k5 = 120;
k6 = 20;
k7 = 72/5;
k8 = 1;
k9 = 1/2;
k10 = 1/1000;
k11 = 0;
k12 = 1;