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