k1 = 431/1000
k2 = 51/5000000000000000
k3 = 341/1000000000000
k4 = 103/2500
k5 = 3/200
k6 = 101/5
k7 = 3/5
k8 = 3/5
k9 = 4/5
k10 = 1/312500000
k11 = 1/50000000000
k12 = 12000
k13 = 750000000
k14 = 3/250
k15 = 9/10
k16 = 9/20
k17 = 0
k18 = 1