k1 = 10;
k2 = 3/100;
k3 = 1500;
k4 = 1/50;
k5 = 3/125000;
k6 = 3/1000;
k7 = 6/25;
k8 = 12/5;
k9 = 1000;
k10 = 1000;
k11 = 1;