k1 = 13/5; k2 = 9/10; k3 = 26; k4 = 13/5; k5 = 9/10; k6 = 26; k7 = 5; k8 = 13/5; k9 = 1/10000; k10 = 13/10000; k11 = 1; k12 = 40; k13 = 140; k14 = 0; k15 = 0; k16 = 0; k17 = 0; k18 = 1;