k1 = 1; k2 = 1; k3 = 110; k4 = 1500; k5 = 1000; k6 = 70; k7 = 321/2; k8 = 847; k9 = 420; k10 = 360; k11 = 70; k12 = 847; k13 = 321/2; k14 = 420; k15 = 847; k16 = 360; k17 = 133/100; k18 = 16; k19 = 13/1000; k20 = 90; k21 = 330;