k1 = 50 k2 = 550 k3 = 49/5 k4 = 1619/5 k5 = 578231/10 k6 = 764111/10 k7 = 237/10 k8 = 80 k9 = 97/10 k10 = 2000 k11 = 28 k12 = 857/10 k13 = 80 k14 = 375 k15 = 4 k16 = 1 k17 = 4 k18 = 1 k19 = 1