k1 = 4/5
k2 = 4/5
k3 = 2/25
k4 = 9/100
k5 = 99/100
k6 = 2/5
k7 = 4/5
k8 = 3/5
k9 = 1/50
k10 = 3/5
k11 = 7/10
k12 = 1