k[1] = 257/500
k[2] = 51/50000000000
k[3] = 1/5
k[4] = 100000
k[5] = 11/100000000000
k[6] = 167/200
k[7] = 1000
k[8] = 1/10
k[9] = 1/10000000
k[10] = 27/5
k[11] = 1000
k[12] = 34
k[13] = 1411/5000
k[14] = 1/1000000000
k[15] = 29/500000000000
k[16] = 0
k[17] = 0
k[18] = 677/1000000
k[19] = 10
k[20] = 1