k1 = 1; k2 = 1/100; k3 = 509/100000; k4 = 47/100000; k5 = 11/10000; k6 = 89/12500; k7 = 439/100000; k8 = 9/50000; k9 = 5567/50000; k10 = 14359/100000; k11 = 3/20000; k12 = 6257/50000; k13 = 15;