k1 = 1;
k2 = 1/10000;
k3 = 1;
k4 = 4;
k5 = 1;
k6 = 1/10000;
k7 = 21;
k8 = 4;
k9 = 1;
k10 = 1;
k11 = 1/10000;
k12 = 1;
k13 = 4;
k14 = 1;
k15 = 1/10000;
k16 = 21;
k17 = 4;
k18 = 1;
k19 = 1;