k[1] = 60 k[2] = 3333333333/100000000000 k[3] = 14 k[4] = 9/800000000000 k[5] = 9/200000000000 k[6] = 1/4 k[7] = 6 k[8] = 1/10 k[9] = 1000000000 k[10] = 10000000 k[11] = 1