k1 = 257/500
k2 = 51/50000000000
k3 = 1/5
k4 = 100000
k5 = 11/100000000000
k6 = 167/200
k7 = 1000
k8 = 1/10
k9 = 1/10000000
k10 = 27/5
k11 = 1000
k12 = 34
k13 = 1411/5000
k14 = 1/1000000000
k15 = 29/500000000000
k16 = 0
k17 = 0
k18 = 677/1000000
k19 = 10
k20 = 1