k1 = 231/500
k2 = 19/100000000000
k3 = 27/20000
k4 = 193/100000
k5 = 9/2500
k6 = 1/10000
k7 = 1/1000
k8 = 3
k9 = 4
k10 = 11/1000
k11 = 73/4000
k12 = 1