k1 = 93/5000000; k2 = 21/1000000; k3 = 11783/100000000000; k4 = 16931/2000000000; k5 = 54357/1000000000; k6 = 557/200000000; k7 = 287/50000; k8 = 4; k9 = 9/50000000000; k10 = 1; k11 = 1; k12 = 1;