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