k1 = 8/5;
k2 = 101/200;
k3 = 1/2;
k4 = 1;
k5 = 4;
k6 = 1/5;
k7 = 1/2;
k8 = 7/5;
k9 = 13/100;
k10 = 1/2;
k11 = 3/5;
k12 = 1;
k13 = 1;