k[1] = 99/100
k[2] = 1/10000
k[3] = 3/10
k[4] = 1/10000000
k[5] = 999899/1000000
k[6] = 1
k[7] = 150
k[8] = 1/1000
k[9] = 1000000
k[10] = 1