k1 = 57/100
k2 = 5/2
k3 = 1
k4 = 13/2
k5 = 13/2
k6 = 3/2
k7 = 1
k8 = 1
k9 = 1
k10 = 1
k11 = 1
k12 = 1
k13 = 1
k14 = 1
k15 = 1