1
7
1
7
3
6
3
6
5
4
5
4
7
3
7
3
7
3
7
3
7
3
12
2
12
2
12
2
12
2
12
2
12
2
12
2
12
2
12
2
21
1
21
1
21
405
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1
21
1