k1 = 9/50; k2 = 23/5; k3 = 101/1000; k4 = 1/125; k5 = 3/2; k6 = 1/5; k7 = 3/10; k8 = 7/5; k9 = 103/2500; k10 = 3/10; k11 = 1/20; k12 = 9/20; k13 = 3/100; k14 = 2/5; k15 = 3/10; k16 = 7/20; k17 = 3/10; k18 = 1/2; k19 = 1;