k1 = 1/10 k2 = 109/500 k3 = 1 k4 = 292408052354609/100000000000000 k5 = 499999999999999/5000000000000000 k6 = 263/1000 k7 = 547/1000 k8 = 1 k9 = 292408052354609/10000000000000 k10 = 239254806051979/1000000000000000 k11 = 183/100 k12 = 1460500000017999/20000000000000 k13 = 1