k1 = 2;
k2 = 10;
k3 = 1;
k4 = 10;
k5 = 1;
k6 = 1;
k7 = 1;
k8 = 1;
k9 = 10;
k10 = 1;
k11 = 10;
k12 = 10;
k13 = 10;