7
12
6
10
5
8
4
6
3
4
2
2
1
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
60
3
40
2
2
1
0
1
2
3
4
35
40
1
20
0
0
1
20
40
3
2
5
0
5
10
15
20
25
30
35
3
0
5
10
15
20
25
30