k1 = 7/5; k2 = 9/10; k3 = 5/2; k4 = 3/2; k5 = 3/5; k6 = 4/5; k7 = 2; k8 = 13/10; k9 = 29/100; k10 = 1; k11 = 3/5; k12 = 31/10; k13 = 33; k14 = 9/2; k15 = 1; k16 = 1;