k1 = 53/100
k2 = 9/1250
k3 = 5/8
k4 = 49/20000
k5 = 63/2000
k6 = 4/5
k7 = 3/400
k8 = 71/1000
k9 = 23/25
k10 = 61/50000
k11 = 87/100
k12 = 1
k13 = 2
k14 = 5/2
k15 = 5/2
k16 = 5/2
k17 = 3