k1 = 63/40
k2 = 2
k3 = 9/125
k4 = 3/10000
k5 = 1/10000
k6 = 1/100
k7 = 7/10
k8 = 7/10
k9 = 1
k10 = 20
k11 = 1/1250
k12 = 1/625
k13 = 1/100
k14 = 18/25
k15 = 1/1250
k16 = 1/1250
k17 = 1
k18 = 1