k1 = 1; k2 = 57/10000; k3 = 39/2500; k4 = 31/2000; k5 = 397/5000; k6 = 907/10000; k7 = 137/5000; k8 = 17/80; k9 = 0; k10 = 3817/2000; k11 = 707/10000; k12 = 1131/10000; k13 = 1/1250; k14 = 11/5000; k15 = 17/5000; k16 = 159/10000; k17 = 67/5000; k18 = 9;