k1 = 9/20; k2 = 17/25; k3 = 4/5; k4 = 1/2; k5 = 18/25; k6 = 7/10; k7 = 11/40; k8 = 3/10; k9 = 3/100; k10 = 1/40; k11 = 1/5; k12 = 11/100; k13 = 1; k14 = 1; k15 = 1; k16 = 1; k17 = 9/20; k18 = 17/25; k19 = 1/2; k20 = 18/25; k21 = 10; k22 = 10; k23 = 1;