2
3
4
5
6
25
30
32
24
18
27
7/6
6/5
5/4
4/3
3/2
2/1
15
20
16
12
9
6/7
5/6
4/5
3/4
2/3
1/2
14
10
8
6
3
Z
X
C
V
B
N
7
5
4
2
1