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