k1 = 539/1250;
k2 = 299/100000000;
k3 = 9817/10000;
k4 = 2213/5000;
k5 = 2/5;
k6 = 2291/10000;
k7 = 561/625;
k8 = 9611/10000;
k9 = 443/2000;
k10 = 199/400;
k11 = 1;