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;