k1 = 1/2; k2 = 11/100; k3 = 3/50; k4 = 1; k5 = 109/100; k6 = 307/100; k7 = 289/100; k8 = 472; k9 = 1; k10 = 15; k11 = 50; k12 = 14; k13 = 1; k14 = 1/10; k15 = 3/20; k16 = 13/100; k17 = 11/10; k18 = 2/25; k19 = 3/10; k20 = 3/10; k21 = 1/1000;