4
assume the position studi
4
6
10
10
12
13
11
6
11
10
9
14
10
10
8
8
9
9
10
12
5
7
10
7
7
11
12
12
11
7
10
9
11
9
13
14
13
8
11
8
10
12
11
12
18
13
10
9
9
9