k1 = 1/4
k2 = 1/4
k3 = 1/2
k4 = 0
k5 = 3
k6 = 3/2
k7 = 1
k8 = 7/10
k9 = 1/4
k10 = 1/1000
k11 = 1
k12 = 9/8
k13 = 0
k14 = 1/1000
k15 = 1