k1 = 21/250
k2 = 4/125
k3 = 2
k4 = 1
k5 = 7/200
k6 = 40
k7 = 9/10
k8 = 0
k9 = 2/125
k10 = 1/50
k11 = 2/625
k12 = 1/100
k13 = 1/100
k14 = 0
k15 = 0