k1 = 60000;
k2 = 100;
k3 = 20000000000;
k4 = 100;
k5 = 20000000000;
k6 = 20000;
k7 = 0;
k8 = 1;
k9 = 1;
k10 = 1/10000000000;
k11 = 1/10000000000;