k1 = 0; k2 = 0; k3 = 3; k4 = 3/2; k5 = 1; k6 = 1/2; k7 = 1/2; k8 = 1/20; k9 = 1/4; k10 = 1/50; k11 = 1/100; k12 = 1/100; k13 = 1/100; k14 = 1/100; k15 = 1/100; k16 = 1;