k1 = 60 k2 = 3333333333/100000000000 k3 = 14 k4 = 9/800000000000 k5 = 9/200000000000 k6 = 1/4 k7 = 6 k8 = 1/10 k9 = 1000000000 k10 = 10000000 k11 = 1