k1 = 500
k2 = 139
k3 = 17/100
k4 = 251/10000
k5 = 423/1000
k6 = 21/40
k7 = 1/100
k8 = 23/20
k9 = 81/20
k10 = 837806529940613/1523109748630000
k11 = 1