k1 = 257/500
k2 = 1/500000000
k3 = 1101/10000000000
k4 = 1101/10000000000000
k5 = 1101/1000000000000
k6 = 13000
k7 = 103/2500
k8 = 1711/5000000000000
k9 = 249/2000
k10 = 20193000
k11 = 11/100000000
k12 = 171/500000000000
k13 = 1/50
k14 = 7/20
k15 = 1
k16 = 3/2
k17 = 1
k18 = 100000000
k19 = 1