k[1] = 37/100
k[2] = 720
k[3] = 31/500
k[4] = 3/10
k[5] = 57/1000
k[6] = 7/50
k[7] = 49/50
k[8] = 23/100
k[9] = 57/10000
k[10] = 230000
k[11] = 3/125
k[12] = 17/5000
k[13] = 1