1,18
3,   2.80, 3.20
4,   3.76, 4.24
5,   4.76, 5.24
6,   5.76, 6.24
8,   7.71, 8.29
10,  9.71,10.29
12,  11.65,12.35
(14),13.65,14.35
16,  15.65,16.35
20,  19.58,20.42
25,  24.58,25.42
30,  29.58,30.42
35,  34.50,35.50
40,  39.50,40.50
45,  44.50,45.50
50,  49.50,50.50
(55),54.05,55.95
60,  59.05,60.95
