k1 = 1; k2 = 1/10; k3 = 1/10; k4 = 1; k5 = 1/10; k6 = 1; k7 = 1/10; k8 = 1; k9 = 1/10; k10 = 1/10; k11 = 0; k12 = 1/1000000000000; k13 = 1; k14 = 9963234242563/4000000000000; k15 = 41513476010679/25000000000000;