k1 = 53/100; k2 = 9/1250; k3 = 5/8; k4 = 49/20000; k5 = 63/2000; k6 = 4/5; k7 = 3/400; k8 = 71/1000; k9 = 23/25; k10 = 61/50000; k11 = 87/100; k12 = 1; k13 = 2; k14 = 5/2; k15 = 5/2; k16 = 5/2; k17 = 3;