0
10
0
10
2
10
3
10
6
12
0
12
6
13
0
14
0
14
2
15
0
15
3
15
6
17
0
17
2
18
6
19
0
21
0
21
2
20
0
20
0
20
0
20
0
20
0
20
0
1
