4
3
2
1
4
3
2
2
4
3
2
3
2
1
0
4
3
2
1
5
2
1
0
6
2
1
0
7
2
1
0
8
2
1
0
9
2
1
0
10
2
1
0
11
3
2
1
12
2
1
0
13
3
2
1
14
2
1
0
15
3
2
1
16
3
2
1
17
5
4
3
18
2
1
0
19
2
1
0
20
2
1
0
21
2
1
0
22
5
4
3
23
2
1
0
24
2
1
0
25
3
2
1