k1 = 66923076923077/50000000000000; k2 = 16/5; k3 = 1/2; k4 = 23/100; k5 = 1000; k6 = 385; k7 = 77/13; k8 = 147/550; k9 = 5/2; k10 = 460; k11 = 330; k12 = 1; k13 = 2; k14 = 230; k15 = 210;