k1 = 63/40;
k2 = 2;
k3 = 9/125;
k4 = 3/10000;
k5 = 1/10000;
k6 = 1/100;
k7 = 7/10;
k8 = 7/10;
k9 = 1;
k10 = 20;
k11 = 1/1250;
k12 = 1/625;
k13 = 1/100;
k14 = 18/25;
k15 = 1/1250;
k16 = 1/1250;
k17 = 1;
k18 = 1;