k1 = 1; k2 = 83/25000000000000000000; k3 = 1/100; k4 = 4; k5 = 1/2500; k6 = 1; k7 = 1/100000; k8 = 1/250; k9 = 11/100; k10 = 10000; k11 = 10000;